Christian Koss

San Francisco Giants (AAA)

Age: 28

Bats/Throws: R/R

6'1" / 185

DOB: 1/27/1998

(28 years, 4 months, 4 days)

Player Dashboard:

Stats

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular Season

Season	Team	Level	Age	G G - Games Played	PA PA - Plate Appearances	HR HR - Home Runs	R R - Runs	RBI RBI - Runs Batted In	SB SB - Stolen Bases	BB% BB% - Walk Percentage (BB/PA)	K% K% - Strikeout Percentage (SO/PA)	ISO ISO - Isolated Power (SLG-AVG)	BABIP BABIP - Batting Average on Balls in Play	AVG AVG - Batting Average (H/AB)	OBP OBP - On Base Percentage	SLG SLG - Slugging Percentage	wOBA wOBA - Weighted On Base Average (Linear Weights)	xwOBA xwOBA - Expected weighted on-base average	wRC+ wRC+ - Runs per PA scaled where 100 is average; both league and park adjusted; based on wOBA	BsR Base Running - Base running runs above average, includes SB or CS	Off Offense - Batting and Base Running combined (above average)	Def Defense - Fielding and Positional Adjustment combined (above average)	WAR WAR - Wins Above Replacement
2019	COL	R	21	53	238	11	45	51	10	14.7%	18.1%	.274	.374	.332	.447	.605	.452		169
2021	BOS	A+	23	104	468	15	65	55	10	6.6%	21.4%	.180	.319	.271	.325	.451	.336		103
2022	BOS	AA	24	125	532	17	69	84	16	4.7%	25.8%	.170	.324	.260	.309	.430	.322		96
2022	BOS	ST	24	7	13	2	4	3	0	7.7%	38.5%	.500	.200	.250	.308	.750	.413		148
2023	BOS	CPX	25	7	25	1	4	3	2	4.0%	24.0%	.167	.353	.292	.320	.458	.362		92
2023	BOS	AA	25	38	147	2	18	10	11	6.8%	22.4%	.112	.283	.224	.283	.336	.284		68
2023	BOS	AAA	25	34	124	1	13	10	2	4.0%	21.0%	.114	.295	.237	.285	.351	.286	.254	55
2023	BOS	MiLB	25	79	296	4	35	23	15	5.4%	22.0%	.118	.294	.235	.287	.353	.292	.254	65
2023	BOS	ST	25	13	22	0	3	2	0	4.5%	36.4%	.048	.154	.095	.136	.143	.131		-38
2024	SFG	CPX	26	9	31	2	5	7	2	19.4%	6.5%	.333	.238	.292	.419	.625	.459		150
2024	SFG	AA	26	25	96	2	16	21	6	10.4%	12.5%	.241	.429	.386	.453	.627	.477		205
2024	SFG	AAA	26	54	197	5	32	19	5	7.1%	22.8%	.158	.317	.257	.332	.415	.333	.285	96
2024	SFG	MiLB	26	88	324	9	53	47	13	9.3%	18.2%	.198	.346	.299	.376	.496	.388	.285	134
2024	BOS	ST	26	7	8	0	1	0	0	25.0%	25.0%	.000	.750	.500	.625	.500	.519		217
2025	SFG	CPX	27	1	3	0	2	1	0	0.0%	0.0%	.000	.667	.667	.667	.667	.642		264
2025	SFG	AAA	27	6	27	1	3	5	0	0.0%	22.2%	.185	.350	.296	.296	.481	.334	.234	94
2025	SFG	MiLB	27	7	30	1	5	6	0	0.0%	20.0%	.167	.391	.333	.333	.500	.365	.234	111
2025	SFG	ST	27	28	47	1	12	5	1	10.6%	14.9%	.171	.394	.341	.426	.512	.417		148
2025	SFG	MLB	27	76	191	3	25	23	4	4.7%	23.6%	.103	.336	.264	.309	.368	.297	.311	91	1.3	-0.7	-0.6	0.5
2026	SFG	ST	28	19	49	1	8	8	1	14.3%	14.3%	.073	.424	.366	.469	.439	.419		149
2026	FGDC	PROJ	28	21	91	2	10	9	2	5.0%	22.8%	.118	.310	.249	.296	.367	.291		87	-0.1	-1.5	0.5	0.2
2026	Steamer	PROJ	28	21	83	1	8	8	2	4.9%	23.0%	.117	.302	.243	.289	.360	.284		82	0.0	-1.7	-0.1	0.1
2026	ZiPS	PROJ	28	93	313	6	40	34	6	5.1%	22.7%	.119	.318	.255	.304	.374	.297		92	-0.5	-3.6	5.8	1.3
2026	ZiPS DC	PROJ	28	21	91	2	12	10	2	5.1%	22.7%	.119	.318	.255	.304	.374	.297		92	-0.1	-1.0	1.2	0.3
2026	ATC	PROJ	28	27	99	2	11	10	2	5.0%	23.4%	.106	.300	.238	.287	.344	.278		76	0.0	-2.8	1.2	0.2
2026	THE BAT	PROJ	28	27	99	2	10	8	2	4.6%	24.2%	.106	.297	.233	.276	.339	.269		72	0.0	-3.2	0.1	0.0
2026	THE BAT X	PROJ	28	27	99	1	10	8	2	4.6%	24.3%	.103	.302	.236	.278	.339	.270		73	0.1	-3.1	0.1	0.0
2026	OOPSY	PROJ	28	21	91	2	9	9	2	4.9%	23.8%	.119	.291	.233	.279	.352	.276		77	0.1	-2.4	0.2	0.1
2026	SFG	AAA	28	3	10	1	4	3	1	0.0%	10.0%	.333	.429	.444	.500	.778	.552	.446	227
2026	SFG	MLB	28	10	15	0	1	0	0	0.0%	13.3%	.071	.083	.071	.133	.143	.134	.158	-21	0.1	-2.0	0.0	-0.2
2026	FGDC	ROS	28	3	13	0	1	1	0	4.9%	22.4%	.114	.299	.242	.290	.356	.288		84	0.0	-0.2	0.1	0.0
2026	Steamer	ROS	28	3	13	0	1	1	0	4.9%	22.3%	.110	.290	.235	.281	.345	.280		79	0.0	-0.3	0.0	0.0
2026	ZiPS	ROS	28	51	165	3	21	17	3	4.9%	22.4%	.117	.308	.249	.298	.366	.297		90	-0.2	-2.1	2.9	0.6
2026	ZiPS DC	ROS	28	3	13	0	2	1	0	4.9%	22.4%	.117	.308	.249	.298	.366	.297		90	0.0	-0.2	0.2	0.0
2026	ATC DC	ROS	28	3	13	0	2	1	0	5.2%	22.8%	.105	.297	.237	.287	.342	.282		80	0.0	-0.3	0.2	0.0
2026	THE BAT	ROS	28	3	14	0	1	1	0	5.0%	22.5%	.105	.291	.233	.280	.338	.276		76	0.0	-0.4	0.0	0.0
2026	THE BAT X	ROS	28	3	14	0	1	1	0	4.9%	22.5%	.106	.295	.236	.283	.342	.279		78	0.0	-0.4	0.0	0.0
2026	OOPSY	ROS	28	3	13	0	1	1	0	4.7%	23.5%	.117	.289	.233	.278	.350	.280		79	0.0	-0.3	0.1	0.0
Total	- - -	MLB		86	206	3	26	23	4	4.4%	22.8%	.101	.314	.250	.296	.351	.285	.299	83	1.4	-2.7	-0.6	0.4

Season	Team	Level	Age	G G - Games Played	PA PA - Plate Appearances	HR HR - Home Runs	R R - Runs	RBI RBI - Runs Batted In	SB SB - Stolen Bases	BB% BB% - Walk Percentage (BB/PA)	K% K% - Strikeout Percentage (SO/PA)	ISO ISO - Isolated Power (SLG-AVG)	BABIP BABIP - Batting Average on Balls in Play	AVG AVG - Batting Average (H/AB)	OBP OBP - On Base Percentage	SLG SLG - Slugging Percentage	wOBA wOBA - Weighted On Base Average (Linear Weights)	xwOBA xwOBA - Expected weighted on-base average	wRC+ wRC+ - Runs per PA scaled where 100 is average; both league and park adjusted; based on wOBA	BsR Base Running - Base running runs above average, includes SB or CS	Off Offense - Batting and Base Running combined (above average)	Def Defense - Fielding and Positional Adjustment combined (above average)	WAR WAR - Wins Above Replacement
2019	COL	R	21	53	238	11	45	51	10	14.7%	18.1%	.274	.374	.332	.447	.605	.452		169
2021	BOS	A+	23	104	468	15	65	55	10	6.6%	21.4%	.180	.319	.271	.325	.451	.336		103
2022	BOS	AA	24	125	532	17	69	84	16	4.7%	25.8%	.170	.324	.260	.309	.430	.322		96
2022	BOS	ST	24	7	13	2	4	3	0	7.7%	38.5%	.500	.200	.250	.308	.750	.413		148
2023	BOS	CPX	25	7	25	1	4	3	2	4.0%	24.0%	.167	.353	.292	.320	.458	.362		92
2023	BOS	AA	25	38	147	2	18	10	11	6.8%	22.4%	.112	.283	.224	.283	.336	.284		68
2023	BOS	AAA	25	34	124	1	13	10	2	4.0%	21.0%	.114	.295	.237	.285	.351	.286	.254	55
2023	BOS	MiLB	25	79	296	4	35	23	15	5.4%	22.0%	.118	.294	.235	.287	.353	.292	.254	65
2023	BOS	ST	25	13	22	0	3	2	0	4.5%	36.4%	.048	.154	.095	.136	.143	.131		-38
2024	SFG	CPX	26	9	31	2	5	7	2	19.4%	6.5%	.333	.238	.292	.419	.625	.459		150
2024	SFG	AA	26	25	96	2	16	21	6	10.4%	12.5%	.241	.429	.386	.453	.627	.477		205
2024	SFG	AAA	26	54	197	5	32	19	5	7.1%	22.8%	.158	.317	.257	.332	.415	.333	.285	96
2024	SFG	MiLB	26	88	324	9	53	47	13	9.3%	18.2%	.198	.346	.299	.376	.496	.388	.285	134
2024	BOS	ST	26	7	8	0	1	0	0	25.0%	25.0%	.000	.750	.500	.625	.500	.519		217
2025	SFG	CPX	27	1	3	0	2	1	0	0.0%	0.0%	.000	.667	.667	.667	.667	.642		264
2025	SFG	AAA	27	6	27	1	3	5	0	0.0%	22.2%	.185	.350	.296	.296	.481	.334	.234	94
2025	SFG	MiLB	27	7	30	1	5	6	0	0.0%	20.0%	.167	.391	.333	.333	.500	.365	.234	111
2025	SFG	ST	27	28	47	1	12	5	1	10.6%	14.9%	.171	.394	.341	.426	.512	.417		148
2025	SFG	MLB	27	76	191	3	25	23	4	4.7%	23.6%	.103	.336	.264	.309	.368	.297	.311	91	1.3	-0.7	-0.6	0.5
2026	SFG	ST	28	19	49	1	8	8	1	14.3%	14.3%	.073	.424	.366	.469	.439	.419		149
2026	FGDC	PROJ	28	21	91	2	10	9	2	5.0%	22.8%	.118	.310	.249	.296	.367	.291		87	-0.1	-1.5	0.5	0.2
2026	Steamer	PROJ	28	21	83	1	8	8	2	4.9%	23.0%	.117	.302	.243	.289	.360	.284		82	0.0	-1.7	-0.1	0.1
2026	ZiPS	PROJ	28	93	313	6	40	34	6	5.1%	22.7%	.119	.318	.255	.304	.374	.297		92	-0.5	-3.6	5.8	1.3
2026	ZiPS DC	PROJ	28	21	91	2	12	10	2	5.1%	22.7%	.119	.318	.255	.304	.374	.297		92	-0.1	-1.0	1.2	0.3
2026	ATC	PROJ	28	27	99	2	11	10	2	5.0%	23.4%	.106	.300	.238	.287	.344	.278		76	0.0	-2.8	1.2	0.2
2026	THE BAT	PROJ	28	27	99	2	10	8	2	4.6%	24.2%	.106	.297	.233	.276	.339	.269		72	0.0	-3.2	0.1	0.0
2026	THE BAT X	PROJ	28	27	99	1	10	8	2	4.6%	24.3%	.103	.302	.236	.278	.339	.270		73	0.1	-3.1	0.1	0.0
2026	OOPSY	PROJ	28	21	91	2	9	9	2	4.9%	23.8%	.119	.291	.233	.279	.352	.276		77	0.1	-2.4	0.2	0.1
2026	SFG	AAA	28	3	10	1	4	3	1	0.0%	10.0%	.333	.429	.444	.500	.778	.552	.446	227
2026	SFG	MLB	28	10	15	0	1	0	0	0.0%	13.3%	.071	.083	.071	.133	.143	.134	.158	-21	0.1	-2.0	0.0	-0.2
2026	FGDC	ROS	28	3	13	0	1	1	0	4.9%	22.4%	.114	.299	.242	.290	.356	.288		84	0.0	-0.2	0.1	0.0
2026	Steamer	ROS	28	3	13	0	1	1	0	4.9%	22.3%	.110	.290	.235	.281	.345	.280		79	0.0	-0.3	0.0	0.0
2026	ZiPS	ROS	28	51	165	3	21	17	3	4.9%	22.4%	.117	.308	.249	.298	.366	.297		90	-0.2	-2.1	2.9	0.6
2026	ZiPS DC	ROS	28	3	13	0	2	1	0	4.9%	22.4%	.117	.308	.249	.298	.366	.297		90	0.0	-0.2	0.2	0.0
2026	ATC DC	ROS	28	3	13	0	2	1	0	5.2%	22.8%	.105	.297	.237	.287	.342	.282		80	0.0	-0.3	0.2	0.0
2026	THE BAT	ROS	28	3	14	0	1	1	0	5.0%	22.5%	.105	.291	.233	.280	.338	.276		76	0.0	-0.4	0.0	0.0
2026	THE BAT X	ROS	28	3	14	0	1	1	0	4.9%	22.5%	.106	.295	.236	.283	.342	.279		78	0.0	-0.4	0.0	0.0
2026	OOPSY	ROS	28	3	13	0	1	1	0	4.7%	23.5%	.117	.289	.233	.278	.350	.280		79	0.0	-0.3	0.1	0.0
Total	- - -	MLB		86	206	3	26	23	4	4.4%	22.8%	.101	.314	.250	.296	.351	.285	.299	83	1.4	-2.7	-0.6	0.4

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular Season

Season	Team	Level	G G - Games Played	AB AB - At Bats	PA PA - Plate Appearances	H H - Hits	1B 1B - Singles	2B 2B - Doubles	3B 3B - Triples	HR HR - Home Runs	R R - Runs	RBI RBI - Runs Batted In	BB BB - Walks	IBB IBB - Intentional Walks	SO SO - Strike Outs	HBP HBP - Hit by Pitch	SF SF - Sacrifice Fly	SH SH - Sacrifice Hit	GDP GDP - Ground into Double Play	SB SB - Stolen Bases	CS CS - Caught Stealing	AVG AVG - Batting Average (H/AB)
2019	COL	R	53	190	238	63	37	11	4	11	45	51	35	1	43	7	3	3	0	10	4	.332
2021	BOS	A+	104	428	468	116	76	18	7	15	65	55	31	0	100	5	4	0	4	10	4	.271
2022	BOS	AA	125	488	532	127	83	22	5	17	69	84	25	2	137	12	6	0	7	16	5	.260
2022	BOS	ST	7	12	13	3	1	0	0	2	4	3	1	0	5	0	0	0	0	0	0	.250
2023	BOS	CPX	7	24	25	7	5	1	0	1	4	3	1	0	6	0	0	0	0	2	1	.292
2023	BOS	AA	38	134	147	30	20	7	1	2	18	10	10	0	33	1	0	2	2	11	1	.224
2023	BOS	AAA	34	114	124	27	17	8	1	1	13	10	5	0	26	3	1	1	3	2	1	.237
2023	BOS	MiLB	79	272	296	64	42	16	2	4	35	23	16	0	65	4	1	3	5	15	3	.235
2023	BOS	ST	13	21	22	2	1	1	0	0	3	2	1	0	8	0	0	0	0	0	0	.095
2024	SFG	CPX	9	24	31	7	3	2	0	2	5	7	6	0	2	0	1	0	0	2	0	.292
2024	SFG	AA	25	83	96	32	17	12	1	2	16	21	10	0	12	1	1	1	1	6	1	.386
2024	SFG	AAA	54	171	197	44	28	10	1	5	32	19	14	0	45	6	2	4	5	5	0	.257
2024	SFG	MiLB	88	278	324	83	48	24	2	9	53	47	30	0	59	7	4	5	6	13	1	.299
2024	BOS	ST	7	6	8	3	3	0	0	0	1	0	2	0	2	0	0	0	0	0	0	.500
2025	SFG	CPX	1	3	3	2	2	0	0	0	2	1	0	0	0	0	0	0	0	0	0	.667
2025	SFG	AAA	6	27	27	8	5	2	0	1	3	5	0	0	6	0	0	0	0	0	1	.296
2025	SFG	MiLB	7	30	30	10	7	2	0	1	5	6	0	0	6	0	0	0	0	0	1	.333
2025	SFG	ST	28	41	47	14	9	4	0	1	12	5	5	0	7	1	0	0	0	1	2	.341
2025	SFG	MLB	76	174	191	46	34	9	0	3	25	23	9	0	45	3	2	3	4	4	1	.264
2026	SFG	ST	19	41	49	15	14	0	0	1	8	8	7	0	7	1	0	0	0	1	2	.366
2026	FGDC	PROJ	21	84	91	21	15	4	0	2	10	9	5	0	21	1	1	1		2	1	.249
2026	Steamer	PROJ	21	77	83	19	13	4	0	1	8	8	4	0	19	1	1	0		2	0	.243
2026	ZiPS	PROJ	93	286	313	73	52	14	1	6	40	34	16	0	71	5	2	4	5	6	3	.255
2026	ZiPS DC	PROJ	21	83	91	21	15	4	0	2	12	10	5	0	21	1	1	1		2	1	.255
2026	ATC	PROJ	27	91	99	22	15	4	0	2	11	10	5	0	23	2	0	1	2	2	0	.238
2026	THE BAT	PROJ	27	91	99	21	15	4	0	2	10	8	5	0	24	1	1	1	2	2	1	.233
2026	THE BAT X	PROJ	27	91	99	22	15	4	0	1	10	8	5	0	24	1	1	1	2	2	1	.236
2026	OOPSY	PROJ	21	84	91	20	13	4	0	2	9	9	4	0	22	1	1	1		2	1	.233
2026	SFG	AAA	3	9	10	4	3	0	0	1	4	3	0	0	1	1	0	0	0	1	0	.444
2026	SFG	MLB	10	14	15	1	0	1	0	0	1	0	0	0	2	1	0	0	0	0	0	.071
2026	FGDC	ROS	3	12	13	3	2	1	0	0	1	1	1	0	3	0	0	0		0	0	.242
2026	Steamer	ROS	3	12	13	3	2	1	0	0	1	1	1	0	3	0	0	0		0	0	.235
2026	ZiPS	ROS	51	151	165	38	26	8	1	3	21	17	8	0	37	3	1	2		3	2	.249
2026	ZiPS DC	ROS	3	12	13	3	2	1	0	0	2	1	1	0	3	0	0	0		0	0	.249
2026	ATC DC	ROS	3	12	13	3	2	1	0	0	2	1	1	0	3	0	0	0		0	0	.237
2026	THE BAT	ROS	3	13	14	3	2	1	0	0	1	1	1	0	3	0	0	0	0	0	0	.233
2026	THE BAT X	ROS	3	13	14	3	2	1	0	0	1	1	1	0	3	0	0	0	0	0	0	.236
2026	OOPSY	ROS	3	12	13	3	2	1	0	0	1	1	1	0	3	0	0	0		0	0	.233
Total	- - -	MLB	86	188	206	47	34	10	0	3	26	23	9	0	47	4	2	3	4	4	1	.250

Season	Team	Level	G G - Games Played	AB AB - At Bats	PA PA - Plate Appearances	H H - Hits	1B 1B - Singles	2B 2B - Doubles	3B 3B - Triples	HR HR - Home Runs	R R - Runs	RBI RBI - Runs Batted In	BB BB - Walks	IBB IBB - Intentional Walks	SO SO - Strike Outs	HBP HBP - Hit by Pitch	SF SF - Sacrifice Fly	SH SH - Sacrifice Hit	GDP GDP - Ground into Double Play	SB SB - Stolen Bases	CS CS - Caught Stealing	AVG AVG - Batting Average (H/AB)
2019	COL	R	53	190	238	63	37	11	4	11	45	51	35	1	43	7	3	3	0	10	4	.332
2021	BOS	A+	104	428	468	116	76	18	7	15	65	55	31	0	100	5	4	0	4	10	4	.271
2022	BOS	AA	125	488	532	127	83	22	5	17	69	84	25	2	137	12	6	0	7	16	5	.260
2022	BOS	ST	7	12	13	3	1	0	0	2	4	3	1	0	5	0	0	0	0	0	0	.250
2023	BOS	CPX	7	24	25	7	5	1	0	1	4	3	1	0	6	0	0	0	0	2	1	.292
2023	BOS	AA	38	134	147	30	20	7	1	2	18	10	10	0	33	1	0	2	2	11	1	.224
2023	BOS	AAA	34	114	124	27	17	8	1	1	13	10	5	0	26	3	1	1	3	2	1	.237
2023	BOS	MiLB	79	272	296	64	42	16	2	4	35	23	16	0	65	4	1	3	5	15	3	.235
2023	BOS	ST	13	21	22	2	1	1	0	0	3	2	1	0	8	0	0	0	0	0	0	.095
2024	SFG	CPX	9	24	31	7	3	2	0	2	5	7	6	0	2	0	1	0	0	2	0	.292
2024	SFG	AA	25	83	96	32	17	12	1	2	16	21	10	0	12	1	1	1	1	6	1	.386
2024	SFG	AAA	54	171	197	44	28	10	1	5	32	19	14	0	45	6	2	4	5	5	0	.257
2024	SFG	MiLB	88	278	324	83	48	24	2	9	53	47	30	0	59	7	4	5	6	13	1	.299
2024	BOS	ST	7	6	8	3	3	0	0	0	1	0	2	0	2	0	0	0	0	0	0	.500
2025	SFG	CPX	1	3	3	2	2	0	0	0	2	1	0	0	0	0	0	0	0	0	0	.667
2025	SFG	AAA	6	27	27	8	5	2	0	1	3	5	0	0	6	0	0	0	0	0	1	.296
2025	SFG	MiLB	7	30	30	10	7	2	0	1	5	6	0	0	6	0	0	0	0	0	1	.333
2025	SFG	ST	28	41	47	14	9	4	0	1	12	5	5	0	7	1	0	0	0	1	2	.341
2025	SFG	MLB	76	174	191	46	34	9	0	3	25	23	9	0	45	3	2	3	4	4	1	.264
2026	SFG	ST	19	41	49	15	14	0	0	1	8	8	7	0	7	1	0	0	0	1	2	.366
2026	FGDC	PROJ	21	84	91	21	15	4	0	2	10	9	5	0	21	1	1	1		2	1	.249
2026	Steamer	PROJ	21	77	83	19	13	4	0	1	8	8	4	0	19	1	1	0		2	0	.243
2026	ZiPS	PROJ	93	286	313	73	52	14	1	6	40	34	16	0	71	5	2	4	5	6	3	.255
2026	ZiPS DC	PROJ	21	83	91	21	15	4	0	2	12	10	5	0	21	1	1	1		2	1	.255
2026	ATC	PROJ	27	91	99	22	15	4	0	2	11	10	5	0	23	2	0	1	2	2	0	.238
2026	THE BAT	PROJ	27	91	99	21	15	4	0	2	10	8	5	0	24	1	1	1	2	2	1	.233
2026	THE BAT X	PROJ	27	91	99	22	15	4	0	1	10	8	5	0	24	1	1	1	2	2	1	.236
2026	OOPSY	PROJ	21	84	91	20	13	4	0	2	9	9	4	0	22	1	1	1		2	1	.233
2026	SFG	AAA	3	9	10	4	3	0	0	1	4	3	0	0	1	1	0	0	0	1	0	.444
2026	SFG	MLB	10	14	15	1	0	1	0	0	1	0	0	0	2	1	0	0	0	0	0	.071
2026	FGDC	ROS	3	12	13	3	2	1	0	0	1	1	1	0	3	0	0	0		0	0	.242
2026	Steamer	ROS	3	12	13	3	2	1	0	0	1	1	1	0	3	0	0	0		0	0	.235
2026	ZiPS	ROS	51	151	165	38	26	8	1	3	21	17	8	0	37	3	1	2		3	2	.249
2026	ZiPS DC	ROS	3	12	13	3	2	1	0	0	2	1	1	0	3	0	0	0		0	0	.249
2026	ATC DC	ROS	3	12	13	3	2	1	0	0	2	1	1	0	3	0	0	0		0	0	.237
2026	THE BAT	ROS	3	13	14	3	2	1	0	0	1	1	1	0	3	0	0	0	0	0	0	.233
2026	THE BAT X	ROS	3	13	14	3	2	1	0	0	1	1	1	0	3	0	0	0	0	0	0	.236
2026	OOPSY	ROS	3	12	13	3	2	1	0	0	1	1	1	0	3	0	0	0		0	0	.233
Total	- - -	MLB	86	188	206	47	34	10	0	3	26	23	9	0	47	4	2	3	4	4	1	.250

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular SeasonAverages

Season	Team	Level	BB% BB% - Walk Percentage (BB/PA)	K% K% - Strikeout Percentage (SO/PA)	BB/K BB/K - Walk to Strikeout Ratio (BB/SO)	AVG AVG - Batting Average (H/AB)	OBP OBP - On Base Percentage	SLG SLG - Slugging Percentage	OPS OPS - On Base + Slugging Percentage	ISO ISO - Isolated Power (SLG-AVG)	Spd Spd - Speed Score (4 Component Version)	BABIP BABIP - Batting Average on Balls in Play	UBR UBR - Ultimate Base Running in runs above average, does not include SB or CS	XBR XBR - Statcast baserunning above average	wSB wSB - Stolen Bases and Caught Stealing runs above average	wRC wRC - Runs Created based wOBA	wRAA wRAA - Runs Above Average based on wOBA	wOBA wOBA - Weighted On Base Average (Linear Weights)	wRC+ wRC+ - Runs per PA scaled where 100 is average; both league and park adjusted; based on wOBA
2019	COL	R	14.7%	18.1%	0.81	.332	.447	.605	1.052	.274	7.2	.374			0.5	57	23.7	.452	169
2021	BOS	A+	6.6%	21.4%	0.31	.271	.325	.451	.776	.180	6.7	.319			-0.3	68	3.9	.336	103
2022	BOS	AA	4.7%	25.8%	0.18	.260	.309	.430	.739	.170	6.5	.324			0.2	66	-1.0	.322	96
2022	BOS	ST	7.7%	38.5%	0.20	.250	.308	.750	1.058	.500	2.6	.200			0.0	3	1.0	.413	148
2023	BOS	CPX	4.0%	24.0%	0.17	.292	.320	.458	.778	.167	5.8	.353			-0.1	4	-0.1	.362	92
2023	BOS	AA	6.8%	22.4%	0.30	.224	.283	.336	.619	.112	7.8	.283			1.5	13	-5.4	.284	68
2023	BOS	AAA	4.0%	21.0%	0.19	.237	.285	.351	.635	.114	5.6	.295			-0.2	10	-7.7	.286	55
2023	BOS	MiLB	5.4%	22.0%	0.25	.235	.287	.353	.640	.118	7.0	.294			1.1	26	-13.1	.292	65
2023	BOS	ST	4.5%	36.4%	0.13	.095	.136	.143	.279	.048	2.6	.154			0.0	-1	-3.9	.131	-38
2024	SFG	CPX	19.4%	6.5%	3.00	.292	.419	.625	1.044	.333	5.3	.238			0.4	7	2.4	.459	150
2024	SFG	AA	10.4%	12.5%	0.83	.386	.453	.627	1.079	.241	7.1	.429			0.5	23	11.6	.477	205
2024	SFG	AAA	7.1%	22.8%	0.31	.257	.332	.415	.747	.158	7.1	.317			0.7	25	-3.8	.333	96
2024	SFG	MiLB	9.3%	18.2%	0.51	.299	.376	.496	.873	.198	6.9	.346			1.6	55	10.3	.388	134
2024	BOS	ST	25.0%	25.0%	1.00	.500	.625	.500	1.125	.000	0.8	.750			0.0	2	1.3	.519	217
2025	SFG	CPX	0.0%	0.0%	0.00	.667	.667	.667	1.333	.000	2.6	.667			0.0	1	0.7	.642	264
2025	SFG	AAA	0.0%	22.2%	0.00	.296	.296	.481	.778	.185	2.8	.350			-0.6	3	-0.6	.334	94
2025	SFG	MiLB	0.0%	20.0%	0.00	.333	.333	.500	.833	.167	3.5	.391			-0.6	5	0.1	.365	111
2025	SFG	ST	10.6%	14.9%	0.71	.341	.426	.512	.938	.171	4.2	.394			-0.8	9	3.1	.417	148
2025	SFG	MLB	4.7%	23.6%	0.20	.264	.309	.368	.676	.103	4.7	.336		1.2	0.1	20	-2.5	.297	91
2025			8.4%	22.2%	0.38	.245	.315	.404	.719	.159	5.2	.291						.313
2026	SFG	ST	14.3%	14.3%	1.00	.366	.469	.439	.908	.073	2.8	.424			-0.9	10	3.4	.419	149
2026	FGDC	PROJ	5.0%	22.8%	0.22	.249	.296	.367	.663	.118	4.8	.310	0.0		-0.1	9	-1.7	.291	87
2026	Steamer	PROJ	4.9%	23.0%	0.21	.243	.289	.360	.648	.117	4.6	.302	0.0		0.0	8	-2.0	.284	82
2026	ZiPS	PROJ	5.1%	22.7%	0.23	.255	.304	.374	.678	.119	5.0	.318			-0.5	33	-4.0	.297	92
2026	ZiPS DC	PROJ	5.1%	22.7%	0.23	.255	.304	.374	.678	.119	5.0	.318	0.0		-0.1	10	-1.2	.297	92
2026	ATC	PROJ	5.0%	23.4%	0.21	.238	.287	.344	.631	.106	5.0	.300	0.0		0.1	9	-2.8	.278	76
2026	THE BAT	PROJ	4.6%	24.2%	0.19	.233	.276	.339	.615	.106	5.2	.297			0.0	8	-3.5	.269	72
2026	THE BAT X	PROJ	4.6%	24.3%	0.19	.236	.278	.339	.616	.103	5.3	.302			0.1	8	-3.4	.270	73
2026	OOPSY	PROJ	4.9%	23.8%	0.21	.233	.279	.352	.631	.119	5.2	.291	0.0		0.0	8	-2.7	.276	77
2026	SFG	AAA	0.0%	10.0%	0.00	.444	.500	.778	1.278	.333	7.1	.429			0.2	3	1.7	.552	227
2026	SFG	MLB	0.0%	13.3%	0.00	.071	.133	.143	.276	.071	2.6	.083		0.1	0.0	0	-2.2	.134	-21
2026			9.2%	22.0%	0.42	.241	.318	.391	.709	.150	5.0	.287						.316
2026	FGDC	ROS	4.9%	22.4%	0.22	.242	.290	.356	.645	.114	4.8	.299	0.0		0.0	1	-0.3	.288	84
2026	Steamer	ROS	4.9%	22.3%	0.22	.235	.281	.345	.626	.110	4.5	.290	0.0		0.0	1	-0.4	.280	79
2026	ZiPS	ROS	4.9%	22.4%	0.22	.249	.298	.366	.665	.117	5.0	.308	0.0		-0.2	17	-2.5	.297	90
2026	ZiPS DC	ROS	4.9%	22.4%	0.22	.249	.298	.366	.665	.117	5.0	.308	0.0		0.0	1	-0.2	.297	90
2026	ATC DC	ROS	5.2%	22.8%	0.23	.237	.287	.342	.629	.105	4.7	.297	0.0		0.0	1	-0.4	.282	80
2026	THE BAT	ROS	5.0%	22.5%	0.22	.233	.280	.338	.618	.105	5.1	.291			0.0	1	-0.4	.276	76
2026	THE BAT X	ROS	4.9%	22.5%	0.22	.236	.283	.342	.625	.106	5.2	.295			0.0	1	-0.4	.279	78
2026	OOPSY	ROS	4.7%	23.5%	0.20	.233	.278	.350	.628	.117	5.3	.289	0.0		0.0	1	-0.4	.280	79
Total	- - -	MLB	4.4%	22.8%	0.19	.250	.296	.351	.647	.101	4.7	.314		1.3	0.1	20	-4.7	.285	83

Season	Team	Level	BB% BB% - Walk Percentage (BB/PA)	K% K% - Strikeout Percentage (SO/PA)	BB/K BB/K - Walk to Strikeout Ratio (BB/SO)	AVG AVG - Batting Average (H/AB)	OBP OBP - On Base Percentage	SLG SLG - Slugging Percentage	OPS OPS - On Base + Slugging Percentage	ISO ISO - Isolated Power (SLG-AVG)	Spd Spd - Speed Score (4 Component Version)	BABIP BABIP - Batting Average on Balls in Play	UBR UBR - Ultimate Base Running in runs above average, does not include SB or CS	XBR XBR - Statcast baserunning above average	wSB wSB - Stolen Bases and Caught Stealing runs above average	wRC wRC - Runs Created based wOBA	wRAA wRAA - Runs Above Average based on wOBA	wOBA wOBA - Weighted On Base Average (Linear Weights)	wRC+ wRC+ - Runs per PA scaled where 100 is average; both league and park adjusted; based on wOBA
2019	COL	R	14.7%	18.1%	0.81	.332	.447	.605	1.052	.274	7.2	.374			0.5	57	23.7	.452	169
2021	BOS	A+	6.6%	21.4%	0.31	.271	.325	.451	.776	.180	6.7	.319			-0.3	68	3.9	.336	103
2022	BOS	AA	4.7%	25.8%	0.18	.260	.309	.430	.739	.170	6.5	.324			0.2	66	-1.0	.322	96
2022	BOS	ST	7.7%	38.5%	0.20	.250	.308	.750	1.058	.500	2.6	.200			0.0	3	1.0	.413	148
2023	BOS	CPX	4.0%	24.0%	0.17	.292	.320	.458	.778	.167	5.8	.353			-0.1	4	-0.1	.362	92
2023	BOS	AA	6.8%	22.4%	0.30	.224	.283	.336	.619	.112	7.8	.283			1.5	13	-5.4	.284	68
2023	BOS	AAA	4.0%	21.0%	0.19	.237	.285	.351	.635	.114	5.6	.295			-0.2	10	-7.7	.286	55
2023	BOS	MiLB	5.4%	22.0%	0.25	.235	.287	.353	.640	.118	7.0	.294			1.1	26	-13.1	.292	65
2023	BOS	ST	4.5%	36.4%	0.13	.095	.136	.143	.279	.048	2.6	.154			0.0	-1	-3.9	.131	-38
2024	SFG	CPX	19.4%	6.5%	3.00	.292	.419	.625	1.044	.333	5.3	.238			0.4	7	2.4	.459	150
2024	SFG	AA	10.4%	12.5%	0.83	.386	.453	.627	1.079	.241	7.1	.429			0.5	23	11.6	.477	205
2024	SFG	AAA	7.1%	22.8%	0.31	.257	.332	.415	.747	.158	7.1	.317			0.7	25	-3.8	.333	96
2024	SFG	MiLB	9.3%	18.2%	0.51	.299	.376	.496	.873	.198	6.9	.346			1.6	55	10.3	.388	134
2024	BOS	ST	25.0%	25.0%	1.00	.500	.625	.500	1.125	.000	0.8	.750			0.0	2	1.3	.519	217
2025	SFG	CPX	0.0%	0.0%	0.00	.667	.667	.667	1.333	.000	2.6	.667			0.0	1	0.7	.642	264
2025	SFG	AAA	0.0%	22.2%	0.00	.296	.296	.481	.778	.185	2.8	.350			-0.6	3	-0.6	.334	94
2025	SFG	MiLB	0.0%	20.0%	0.00	.333	.333	.500	.833	.167	3.5	.391			-0.6	5	0.1	.365	111
2025	SFG	ST	10.6%	14.9%	0.71	.341	.426	.512	.938	.171	4.2	.394			-0.8	9	3.1	.417	148
2025	SFG	MLB	4.7%	23.6%	0.20	.264	.309	.368	.676	.103	4.7	.336		1.2	0.1	20	-2.5	.297	91
2025			8.4%	22.2%	0.38	.245	.315	.404	.719	.159	5.2	.291						.313
2026	SFG	ST	14.3%	14.3%	1.00	.366	.469	.439	.908	.073	2.8	.424			-0.9	10	3.4	.419	149
2026	FGDC	PROJ	5.0%	22.8%	0.22	.249	.296	.367	.663	.118	4.8	.310	0.0		-0.1	9	-1.7	.291	87
2026	Steamer	PROJ	4.9%	23.0%	0.21	.243	.289	.360	.648	.117	4.6	.302	0.0		0.0	8	-2.0	.284	82
2026	ZiPS	PROJ	5.1%	22.7%	0.23	.255	.304	.374	.678	.119	5.0	.318			-0.5	33	-4.0	.297	92
2026	ZiPS DC	PROJ	5.1%	22.7%	0.23	.255	.304	.374	.678	.119	5.0	.318	0.0		-0.1	10	-1.2	.297	92
2026	ATC	PROJ	5.0%	23.4%	0.21	.238	.287	.344	.631	.106	5.0	.300	0.0		0.1	9	-2.8	.278	76
2026	THE BAT	PROJ	4.6%	24.2%	0.19	.233	.276	.339	.615	.106	5.2	.297			0.0	8	-3.5	.269	72
2026	THE BAT X	PROJ	4.6%	24.3%	0.19	.236	.278	.339	.616	.103	5.3	.302			0.1	8	-3.4	.270	73
2026	OOPSY	PROJ	4.9%	23.8%	0.21	.233	.279	.352	.631	.119	5.2	.291	0.0		0.0	8	-2.7	.276	77
2026	SFG	AAA	0.0%	10.0%	0.00	.444	.500	.778	1.278	.333	7.1	.429			0.2	3	1.7	.552	227
2026	SFG	MLB	0.0%	13.3%	0.00	.071	.133	.143	.276	.071	2.6	.083		0.1	0.0	0	-2.2	.134	-21
2026			9.2%	22.0%	0.42	.241	.318	.391	.709	.150	5.0	.287						.316
2026	FGDC	ROS	4.9%	22.4%	0.22	.242	.290	.356	.645	.114	4.8	.299	0.0		0.0	1	-0.3	.288	84
2026	Steamer	ROS	4.9%	22.3%	0.22	.235	.281	.345	.626	.110	4.5	.290	0.0		0.0	1	-0.4	.280	79
2026	ZiPS	ROS	4.9%	22.4%	0.22	.249	.298	.366	.665	.117	5.0	.308	0.0		-0.2	17	-2.5	.297	90
2026	ZiPS DC	ROS	4.9%	22.4%	0.22	.249	.298	.366	.665	.117	5.0	.308	0.0		0.0	1	-0.2	.297	90
2026	ATC DC	ROS	5.2%	22.8%	0.23	.237	.287	.342	.629	.105	4.7	.297	0.0		0.0	1	-0.4	.282	80
2026	THE BAT	ROS	5.0%	22.5%	0.22	.233	.280	.338	.618	.105	5.1	.291			0.0	1	-0.4	.276	76
2026	THE BAT X	ROS	4.9%	22.5%	0.22	.236	.283	.342	.625	.106	5.2	.295			0.0	1	-0.4	.279	78
2026	OOPSY	ROS	4.7%	23.5%	0.20	.233	.278	.350	.628	.117	5.3	.289	0.0		0.0	1	-0.4	.280	79
Total	- - -	MLB	4.4%	22.8%	0.19	.250	.296	.351	.647	.101	4.7	.314		1.3	0.1	20	-4.7	.285	83

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular Season

Season	Team	Level	Events Events - The number of Batted Balls (PA - SO - BB - HBP)	EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat	maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat.	LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat	Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage	Barrel% Barrel% - Percentage of batted balls that are classified as barrels	HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher	HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher	AVG AVG - Batting Average (H/AB)	xBA xBA - Expected batting average	SLG SLG - Slugging Percentage	xSLG xSLG - Expected slugging percentage	wOBA wOBA - Weighted On Base Average (Linear Weights)	xwOBA xwOBA - Expected weighted on-base average
2023	BOS	AAA	90	86.1	109.8	4.8	2	2.2%	27	30.0%	.237	.219	.351	.300	.286	.254
2024	SFG	AAA	132	86.5	109.2	6.7	6	4.5%	45	34.1%	.257	.226	.415	.318	.333	.285
2025	SFG	AAA	21	88.2	104.3	14.9	0	0.0%	3	14.3%	.296	.236	.481	.303	.334	.234
2025	SFG	MLB	134	86.9	108.1	5.5	8	6.0%	45	33.6%	.264	.263	.368	.402	.297	.311
2026	SFG	ST	34	82.9	110.5	3.0	0	0.0%	11	32.4%	.366		.439		.419
2026	SFG	AAA	8	84.4	106.5	5.0	1	12.5%	2	25.0%	.444	.346	.778	.625	.552	.446
2026	SFG	MLB	12	83.5	100.1	19.2	0	0.0%	2	16.7%	.071	.125	.143	.144	.134	.158
Total	- - -	MLB	146	86.6	108.1	6.6	8	5.5%	47	32.2%	.250	.253	.351	.383	.285	.299

Season	Team	Level	Events Events - The number of Batted Balls (PA - SO - BB - HBP)	EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat	maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat.	LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat	Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage	Barrel% Barrel% - Percentage of batted balls that are classified as barrels	HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher	HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher	AVG AVG - Batting Average (H/AB)	xBA xBA - Expected batting average	SLG SLG - Slugging Percentage	xSLG xSLG - Expected slugging percentage	wOBA wOBA - Weighted On Base Average (Linear Weights)	xwOBA xwOBA - Expected weighted on-base average
2023	BOS	AAA	90	86.1	109.8	4.8	2	2.2%	27	30.0%	.237	.219	.351	.300	.286	.254
2024	SFG	AAA	132	86.5	109.2	6.7	6	4.5%	45	34.1%	.257	.226	.415	.318	.333	.285
2025	SFG	AAA	21	88.2	104.3	14.9	0	0.0%	3	14.3%	.296	.236	.481	.303	.334	.234
2025	SFG	MLB	134	86.9	108.1	5.5	8	6.0%	45	33.6%	.264	.263	.368	.402	.297	.311
2026	SFG	ST	34	82.9	110.5	3.0	0	0.0%	11	32.4%	.366		.439		.419
2026	SFG	AAA	8	84.4	106.5	5.0	1	12.5%	2	25.0%	.444	.346	.778	.625	.552	.446
2026	SFG	MLB	12	83.5	100.1	19.2	0	0.0%	2	16.7%	.071	.125	.143	.144	.134	.158
Total	- - -	MLB	146	86.6	108.1	6.6	8	5.5%	47	32.2%	.250	.253	.351	.383	.285	.299

Christian Koss

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BAL	CHW	ATH
BOS	CLE	HOU
NYY	DET	LAA
TBR	KCR	SEA
TOR	MIN	TEX

ATL	CHC	ARI
MIA	CIN	COL
NYM	MIL	LAD
PHI	PIT	SDP
WSN	STL	SFG