Marcelo Mayer

Boston Red Sox

2B/3B

Age: 23

Bats/Throws: L/R

6'3" / 188

DOB: 12/12/2002

(23 years, 5 months, 3 days)

2B/3B

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)	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
2021	BOS	CPX	18	26	107	3	25	17	7	14.0%	25.2%	.165	.361	.275	.377	.440	.385	109
2022	BOS	A	19	66	308	9	46	40	16	16.6%	25.3%	.218	.375	.286	.406	.504	.417	144
2022	BOS	A+	19	25	116	4	15	13	1	14.7%	25.0%	.184	.338	.265	.379	.449	.376	124
2022	BOS	MiLB	19	91	424	13	61	53	17	16.0%	25.2%	.209	.365	.280	.399	.489	.406	139
2022	BOS	ST	19	4	5	0	0	0	0	20.0%	40.0%	.000	.000	.000	.200	.000	.142	-29
2023	BOS	A+	20	35	164	7	23	34	5	10.4%	22.6%	.234	.343	.290	.366	.524	.396	136
2023	BOS	AA	20	43	190	6	20	20	4	7.9%	25.8%	.166	.220	.189	.254	.355	.273	61
2023	BOS	MiLB	20	78	354	13	43	54	9	9.0%	24.3%	.197	.277	.236	.306	.433	.330	96
2023	BOS	ST	20	5	9	0	0	0	1	0.0%	11.1%	.111	.375	.333	.333	.444	.341	97
2024	BOS	AA	21	77	335	8	60	38	13	9.0%	19.7%	.173	.367	.307	.370	.480	.383	140
2024	BOS	ST	21	2	4	0	0	0	0	0.0%	25.0%	.250	.333	.250	.250	.500	.315	84
2025	BOS	AAA	22	43	193	9	31	43	2	10.4%	19.7%	.200	.296	.271	.347	.471	.360	113
2025	BOS	ST	22	20	44	1	6	11	0	18.2%	25.0%	.194	.458	.333	.455	.528	.435	155
2025	BOS	MLB	22	44	136	4	20	10	0	5.9%	30.1%	.173	.301	.228	.272	.402	.290	80	-0.2	-3.4	3.0	0.4
2026	BOS	ST	23	14	47	1	5	2	0	17.0%	19.1%	.103	.276	.231	.362	.333	.328	86
2026	FGDC	PROJ	23	107	462	12	55	54	5	7.4%	23.3%	.156	.297	.245	.304	.400	.305	91	-0.5	-5.5	0.3	1.1
2026	Steamer	PROJ	23	89	355	10	38	41	4	7.3%	22.8%	.164	.303	.251	.310	.415	.314	96	-0.1	-1.5	-0.7	1.0
2026	ZiPS	PROJ	23	90	356	9	46	41	3	7.6%	23.9%	.148	.292	.238	.298	.386	.297	85	-0.7	-7.0	1.4	0.7
2026	ZiPS DC	PROJ	23	107	462	12	60	53	4	7.6%	23.9%	.148	.292	.238	.298	.386	.297	85	-0.9	-9.1	1.4	0.8
2026	ATC	PROJ	23	111	432	11	50	48	6	7.2%	24.3%	.150	.300	.243	.299	.393	.300	87	-0.2	-6.9	0.4	0.9
2026	THE BAT	PROJ	23	111	432	11	47	50	7	7.4%	23.7%	.150	.300	.245	.303	.395	.302	88	0.0	-5.9	2.5	1.2
2026	THE BAT X	PROJ	23	111	432	10	47	48	7	7.3%	23.8%	.142	.303	.245	.302	.387	.299	86	0.0	-6.9	2.5	1.1
2026	OOPSY	PROJ	23	107	462	14	55	56	5	7.8%	24.4%	.168	.311	.253	.313	.420	.317	99	-0.2	-0.8	2.3	1.8
2026	BOS	MLB	23	38	126	1	9	8	2	7.1%	19.0%	.080	.281	.230	.296	.310	.278	68	0.1	-4.6	1.7	0.2
2026	FGDC	ROS	23	76	327	7	36	34	4	7.4%	22.0%	.139	.293	.242	.303	.381	.299	86	-0.2	-5.6	1.0	0.7
2026	Steamer	ROS	23	81	328	8	33	35	4	7.3%	21.3%	.144	.296	.247	.306	.390	.304	90	-0.1	-4.1	0.5	0.8
2026			23	72	275	6	32	29	3	7.5%	23.0%	.134	.290	.236	.298	.370	.292	82	-0.4	-6.2	1.5	0.5
2026	ZiPS DC	ROS	23	76	327	7	39	34	3	7.5%	22.7%	.135	.290	.237	.299	.372	.293	82	-0.4	-7.2	1.5	0.6
2026	ATC DC	ROS	23	76	327	8	37	36	4	7.4%	23.3%	.145	.300	.244	.303	.388	.301	88	-0.4	-5.2	0.7	0.7
2026	THE BAT	ROS	23	76	325	6	35	36	5	7.7%	21.5%	.131	.297	.245	.305	.376	.297	85	0.0	-5.7	2.3	0.8
2026	THE BAT X	ROS	23	76	325	7	36	36	5	7.7%	21.6%	.132	.298	.246	.306	.377	.298	86	-0.1	-5.5	2.3	0.8
2026	OOPSY	ROS	23	76	327	9	40	41	4	7.8%	22.7%	.171	.319	.263	.323	.434	.327	106	-0.1	2.1	1.6	1.5
Total	- - -	MLB		82	262	5	29	18	2	6.5%	24.8%	.129	.291	.229	.284	.358	.284	74	-0.1	-8.0	4.8	0.6

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)	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
2021	BOS	CPX	18	26	107	3	25	17	7	14.0%	25.2%	.165	.361	.275	.377	.440	.385	109
2022	BOS	A	19	66	308	9	46	40	16	16.6%	25.3%	.218	.375	.286	.406	.504	.417	144
2022	BOS	A+	19	25	116	4	15	13	1	14.7%	25.0%	.184	.338	.265	.379	.449	.376	124
2022	BOS	MiLB	19	91	424	13	61	53	17	16.0%	25.2%	.209	.365	.280	.399	.489	.406	139
2022	BOS	ST	19	4	5	0	0	0	0	20.0%	40.0%	.000	.000	.000	.200	.000	.142	-29
2023	BOS	A+	20	35	164	7	23	34	5	10.4%	22.6%	.234	.343	.290	.366	.524	.396	136
2023	BOS	AA	20	43	190	6	20	20	4	7.9%	25.8%	.166	.220	.189	.254	.355	.273	61
2023	BOS	MiLB	20	78	354	13	43	54	9	9.0%	24.3%	.197	.277	.236	.306	.433	.330	96
2023	BOS	ST	20	5	9	0	0	0	1	0.0%	11.1%	.111	.375	.333	.333	.444	.341	97
2024	BOS	AA	21	77	335	8	60	38	13	9.0%	19.7%	.173	.367	.307	.370	.480	.383	140
2024	BOS	ST	21	2	4	0	0	0	0	0.0%	25.0%	.250	.333	.250	.250	.500	.315	84
2025	BOS	AAA	22	43	193	9	31	43	2	10.4%	19.7%	.200	.296	.271	.347	.471	.360	113
2025	BOS	ST	22	20	44	1	6	11	0	18.2%	25.0%	.194	.458	.333	.455	.528	.435	155
2025	BOS	MLB	22	44	136	4	20	10	0	5.9%	30.1%	.173	.301	.228	.272	.402	.290	80	-0.2	-3.4	3.0	0.4
2026	BOS	ST	23	14	47	1	5	2	0	17.0%	19.1%	.103	.276	.231	.362	.333	.328	86
2026	FGDC	PROJ	23	107	462	12	55	54	5	7.4%	23.3%	.156	.297	.245	.304	.400	.305	91	-0.5	-5.5	0.3	1.1
2026	Steamer	PROJ	23	89	355	10	38	41	4	7.3%	22.8%	.164	.303	.251	.310	.415	.314	96	-0.1	-1.5	-0.7	1.0
2026	ZiPS	PROJ	23	90	356	9	46	41	3	7.6%	23.9%	.148	.292	.238	.298	.386	.297	85	-0.7	-7.0	1.4	0.7
2026	ZiPS DC	PROJ	23	107	462	12	60	53	4	7.6%	23.9%	.148	.292	.238	.298	.386	.297	85	-0.9	-9.1	1.4	0.8
2026	ATC	PROJ	23	111	432	11	50	48	6	7.2%	24.3%	.150	.300	.243	.299	.393	.300	87	-0.2	-6.9	0.4	0.9
2026	THE BAT	PROJ	23	111	432	11	47	50	7	7.4%	23.7%	.150	.300	.245	.303	.395	.302	88	0.0	-5.9	2.5	1.2
2026	THE BAT X	PROJ	23	111	432	10	47	48	7	7.3%	23.8%	.142	.303	.245	.302	.387	.299	86	0.0	-6.9	2.5	1.1
2026	OOPSY	PROJ	23	107	462	14	55	56	5	7.8%	24.4%	.168	.311	.253	.313	.420	.317	99	-0.2	-0.8	2.3	1.8
2026	BOS	MLB	23	38	126	1	9	8	2	7.1%	19.0%	.080	.281	.230	.296	.310	.278	68	0.1	-4.6	1.7	0.2
2026	FGDC	ROS	23	76	327	7	36	34	4	7.4%	22.0%	.139	.293	.242	.303	.381	.299	86	-0.2	-5.6	1.0	0.7
2026	Steamer	ROS	23	81	328	8	33	35	4	7.3%	21.3%	.144	.296	.247	.306	.390	.304	90	-0.1	-4.1	0.5	0.8
2026			23	72	275	6	32	29	3	7.5%	23.0%	.134	.290	.236	.298	.370	.292	82	-0.4	-6.2	1.5	0.5
2026	ZiPS DC	ROS	23	76	327	7	39	34	3	7.5%	22.7%	.135	.290	.237	.299	.372	.293	82	-0.4	-7.2	1.5	0.6
2026	ATC DC	ROS	23	76	327	8	37	36	4	7.4%	23.3%	.145	.300	.244	.303	.388	.301	88	-0.4	-5.2	0.7	0.7
2026	THE BAT	ROS	23	76	325	6	35	36	5	7.7%	21.5%	.131	.297	.245	.305	.376	.297	85	0.0	-5.7	2.3	0.8
2026	THE BAT X	ROS	23	76	325	7	36	36	5	7.7%	21.6%	.132	.298	.246	.306	.377	.298	86	-0.1	-5.5	2.3	0.8
2026	OOPSY	ROS	23	76	327	9	40	41	4	7.8%	22.7%	.171	.319	.263	.323	.434	.327	106	-0.1	2.1	1.6	1.5
Total	- - -	MLB		82	262	5	29	18	2	6.5%	24.8%	.129	.291	.229	.284	.358	.284	74	-0.1	-8.0	4.8	0.6

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)
2021	BOS	CPX	26	91	107	25	17	4	1	3	25	17	15	0	27	0	0	0	1	7	1	.275
2022	BOS	A	66	252	308	72	36	26	1	9	46	40	51	2	78	2	3	0	4	16	0	.286
2022	BOS	A+	25	98	116	26	17	4	1	4	15	13	17	1	29	1	0	0	3	1	0	.265
2022	BOS	MiLB	91	350	424	98	53	30	2	13	61	53	68	3	107	3	3	0	7	17	0	.280
2022	BOS	ST	4	4	5	0	0	0	0	0	0	0	1	0	2	0	0	0	0	0	0	.000
2023	BOS	A+	35	145	164	42	23	11	1	7	23	34	17	0	37	1	1	0	3	5	2	.290
2023	BOS	AA	43	169	190	32	17	8	1	6	20	20	15	0	49	1	4	0	1	4	3	.189
2023	BOS	MiLB	78	314	354	74	40	19	2	13	43	54	32	0	86	2	5	0	4	9	5	.236
2023	BOS	ST	5	9	9	3	2	1	0	0	0	0	0	0	1	0	0	0	0	1	0	.333
2024	BOS	AA	77	300	335	92	56	28	0	8	60	38	30	1	66	2	3	0	6	13	2	.307
2024	BOS	ST	2	4	4	1	0	1	0	0	0	0	0	0	1	0	0	0	0	0	0	.250
2025	BOS	AAA	43	170	193	46	31	5	1	9	31	43	20	1	38	1	2	0	1	2	0	.271
2025	BOS	ST	20	36	44	12	9	0	2	1	6	11	8	0	11	0	0	0	0	0	0	.333
2025	BOS	MLB	44	127	136	29	16	8	1	4	20	10	8	0	41	0	1	0	2	0	2	.228
2026	BOS	ST	14	39	47	9	7	1	0	1	5	2	8	0	9	0	0	0	0	0	0	.231
2026	FGDC	PROJ	107	420	462	103	65	23	2	12	55	54	34	1	108	3	4	1		5	2	.245
2026	Steamer	PROJ	89	323	355	81	50	19	2	10	38	41	26	1	81	2	3	1		4	1	.251
2026	ZiPS	PROJ	90	324	356	77	49	17	2	9	46	41	27	1	85	2	3	0	5	3	2	.238
2026	ZiPS DC	PROJ	107	420	462	100	64	22	3	12	60	53	35	1	110	3	4	0		4	3	.238
2026	ATC	PROJ	111	394	432	96	61	22	2	11	50	48	31	1	105	2	4	1	6	6	2	.243
2026	THE BAT	PROJ	111	394	432	96	61	23	1	11	47	50	32	2	102	2	3	1	7	7	2	.245
2026	THE BAT X	PROJ	111	395	432	97	63	22	1	10	47	48	32	2	103	2	3	1	7	7	2	.245
2026	OOPSY	PROJ	107	419	462	106	65	25	2	14	55	56	36	1	113	2	3	2		5	2	.253
2026	BOS	MLB	38	113	126	26	19	6	0	1	9	8	9	0	24	2	1	0	4	2	0	.230
2026	FGDC	ROS	76	297	327	72	47	17	1	7	36	34	24	1	72	3	2	0		4	1	.242
2026	Steamer	ROS	81	298	328	74	47	18	1	8	33	35	24	0	70	3	2	1		4	1	.247
2026			72	250	275	59	39	13	1	6	32	29	21	1	63	2	2	0		3	1	.236
2026	ZiPS DC	ROS	76	297	327	70	46	16	1	7	39	34	25	1	74	3	2	0		3	1	.237
2026	ATC DC	ROS	76	298	327	73	46	17	1	8	37	36	24	1	76	2	2	0		4	2	.244
2026	THE BAT	ROS	76	296	325	72	47	18	1	6	35	36	25	1	70	2	2	0	6	5	1	.245
2026	THE BAT X	ROS	76	296	325	73	48	17	1	7	36	36	25	1	70	2	2	0	6	5	1	.246
2026	OOPSY	ROS	76	296	327	78	47	20	1	9	40	41	26	0	74	2	2	2		4	1	.263
Total	- - -	MLB	82	240	262	55	35	14	1	5	29	18	17	0	65	2	2	0	6	2	2	.229

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)
2021	BOS	CPX	26	91	107	25	17	4	1	3	25	17	15	0	27	0	0	0	1	7	1	.275
2022	BOS	A	66	252	308	72	36	26	1	9	46	40	51	2	78	2	3	0	4	16	0	.286
2022	BOS	A+	25	98	116	26	17	4	1	4	15	13	17	1	29	1	0	0	3	1	0	.265
2022	BOS	MiLB	91	350	424	98	53	30	2	13	61	53	68	3	107	3	3	0	7	17	0	.280
2022	BOS	ST	4	4	5	0	0	0	0	0	0	0	1	0	2	0	0	0	0	0	0	.000
2023	BOS	A+	35	145	164	42	23	11	1	7	23	34	17	0	37	1	1	0	3	5	2	.290
2023	BOS	AA	43	169	190	32	17	8	1	6	20	20	15	0	49	1	4	0	1	4	3	.189
2023	BOS	MiLB	78	314	354	74	40	19	2	13	43	54	32	0	86	2	5	0	4	9	5	.236
2023	BOS	ST	5	9	9	3	2	1	0	0	0	0	0	0	1	0	0	0	0	1	0	.333
2024	BOS	AA	77	300	335	92	56	28	0	8	60	38	30	1	66	2	3	0	6	13	2	.307
2024	BOS	ST	2	4	4	1	0	1	0	0	0	0	0	0	1	0	0	0	0	0	0	.250
2025	BOS	AAA	43	170	193	46	31	5	1	9	31	43	20	1	38	1	2	0	1	2	0	.271
2025	BOS	ST	20	36	44	12	9	0	2	1	6	11	8	0	11	0	0	0	0	0	0	.333
2025	BOS	MLB	44	127	136	29	16	8	1	4	20	10	8	0	41	0	1	0	2	0	2	.228
2026	BOS	ST	14	39	47	9	7	1	0	1	5	2	8	0	9	0	0	0	0	0	0	.231
2026	FGDC	PROJ	107	420	462	103	65	23	2	12	55	54	34	1	108	3	4	1		5	2	.245
2026	Steamer	PROJ	89	323	355	81	50	19	2	10	38	41	26	1	81	2	3	1		4	1	.251
2026	ZiPS	PROJ	90	324	356	77	49	17	2	9	46	41	27	1	85	2	3	0	5	3	2	.238
2026	ZiPS DC	PROJ	107	420	462	100	64	22	3	12	60	53	35	1	110	3	4	0		4	3	.238
2026	ATC	PROJ	111	394	432	96	61	22	2	11	50	48	31	1	105	2	4	1	6	6	2	.243
2026	THE BAT	PROJ	111	394	432	96	61	23	1	11	47	50	32	2	102	2	3	1	7	7	2	.245
2026	THE BAT X	PROJ	111	395	432	97	63	22	1	10	47	48	32	2	103	2	3	1	7	7	2	.245
2026	OOPSY	PROJ	107	419	462	106	65	25	2	14	55	56	36	1	113	2	3	2		5	2	.253
2026	BOS	MLB	38	113	126	26	19	6	0	1	9	8	9	0	24	2	1	0	4	2	0	.230
2026	FGDC	ROS	76	297	327	72	47	17	1	7	36	34	24	1	72	3	2	0		4	1	.242
2026	Steamer	ROS	81	298	328	74	47	18	1	8	33	35	24	0	70	3	2	1		4	1	.247
2026			72	250	275	59	39	13	1	6	32	29	21	1	63	2	2	0		3	1	.236
2026	ZiPS DC	ROS	76	297	327	70	46	16	1	7	39	34	25	1	74	3	2	0		3	1	.237
2026	ATC DC	ROS	76	298	327	73	46	17	1	8	37	36	24	1	76	2	2	0		4	2	.244
2026	THE BAT	ROS	76	296	325	72	47	18	1	6	35	36	25	1	70	2	2	0	6	5	1	.245
2026	THE BAT X	ROS	76	296	325	73	48	17	1	7	36	36	25	1	70	2	2	0	6	5	1	.246
2026	OOPSY	ROS	76	296	327	78	47	20	1	9	40	41	26	0	74	2	2	2		4	1	.263
Total	- - -	MLB	82	240	262	55	35	14	1	5	29	18	17	0	65	2	2	0	6	2	2	.229

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
2021	BOS	CPX	14.0%	25.2%	0.56	.275	.377	.440	.817	.165	8.4	.361			0.8	19	3.2	.385	109
2022	BOS	A	16.6%	25.3%	0.65	.286	.406	.504	.910	.218	6.4	.375			2.2	60	19.9	.417	144
2022	BOS	A+	14.7%	25.0%	0.59	.265	.379	.449	.828	.184	4.9	.338			-0.1	19	4.1	.376	124
2022	BOS	MiLB	16.0%	25.2%	0.64	.280	.399	.489	.887	.209	6.3	.365			2.2	79	24.0	.406	139
2022	BOS	ST	20.0%	40.0%	0.50	.000	.200	.000	.200	.000	0.1	.000			0.0	0	-0.9	.142	-29
2023	BOS	A+	10.4%	22.6%	0.46	.290	.366	.524	.890	.234	5.3	.343			-0.2	30	8.4	.396	136
2023	BOS	AA	7.9%	25.8%	0.31	.189	.254	.355	.609	.166	5.1	.220			-0.8	15	-8.6	.273	61
2023	BOS	MiLB	9.0%	24.3%	0.37	.236	.306	.433	.739	.197	5.2	.277			-1.0	45	-0.2	.330	96
2023	BOS	ST	0.0%	11.1%	0.00	.333	.333	.444	.778	.111	5.0	.375			0.2	1	0.0	.341	97
2024	BOS	AA	9.0%	19.7%	0.45	.307	.370	.480	.850	.173	5.6	.367			1.0	56	16.5	.383	140
2024	BOS	ST	0.0%	25.0%	0.00	.250	.250	.500	.750	.250	0.1	.333			0.0	0	-0.1	.315	84
2025	BOS	AAA	10.4%	19.7%	0.53	.271	.347	.471	.818	.200	5.2	.296			0.0	29	3.4	.360	113
2025	BOS	ST	18.2%	25.0%	0.73	.333	.455	.528	.982	.194	3.7	.458			-0.1	10	3.6	.435	155
2025	BOS	MLB	5.9%	30.1%	0.20	.228	.272	.402	.674	.173	4.9	.301		0.8	-1.0	13	-2.6	.290	80
2025			8.4%	22.2%	0.38	.245	.315	.404	.719	.159	5.2	.291						.313
2026	BOS	ST	17.0%	19.1%	0.89	.231	.362	.333	.695	.103	1.1	.276			-0.1	6	-0.5	.328	86
2026	FGDC	PROJ	7.4%	23.3%	0.32	.245	.304	.400	.704	.156	4.3	.297	0.1		-0.6	52	-2.9	.305	91
2026	Steamer	PROJ	7.3%	22.8%	0.32	.251	.310	.415	.725	.164	4.3	.303	0.2		-0.2	42	0.2	.314	96
2026	ZiPS	PROJ	7.6%	23.9%	0.32	.238	.298	.386	.684	.148	4.6	.292			-0.7	37	-4.6	.297	85
2026	ZiPS DC	PROJ	7.6%	23.9%	0.32	.238	.298	.386	.684	.148	4.6	.292	0.0		-0.9	49	-6.0	.297	85
2026	ATC	PROJ	7.2%	24.3%	0.30	.243	.299	.393	.692	.150	4.6	.300	0.1		-0.4	46	-4.6	.300	87
2026	THE BAT	PROJ	7.4%	23.7%	0.31	.245	.303	.395	.697	.150	4.4	.300			0.0	47	-3.9	.302	88
2026	THE BAT X	PROJ	7.3%	23.8%	0.31	.245	.302	.387	.689	.142	4.5	.303			0.0	46	-4.9	.299	86
2026	OOPSY	PROJ	7.8%	24.4%	0.32	.253	.313	.420	.733	.168	4.3	.311	0.2		-0.4	56	1.6	.317	99
2026	BOS	MLB	7.1%	19.0%	0.38	.230	.296	.310	.606	.080	3.6	.281		-0.1	0.2	11	-3.9	.278	68
2026			9.5%	22.2%	0.43	.240	.319	.389	.708	.148	5.1	.288						.317
2026	FGDC	ROS	7.4%	22.0%	0.34	.242	.303	.381	.684	.139	4.3	.293	0.1		-0.3	35	-3.8	.299	86
2026	Steamer	ROS	7.3%	21.3%	0.34	.247	.306	.390	.697	.144	4.0	.296	0.1		-0.2	36	-2.4	.304	90
2026			7.5%	23.0%	0.33	.236	.298	.370	.668	.134	4.4	.290	0.0		-0.4	28	-4.6	.292	82
2026	ZiPS DC	ROS	7.5%	22.7%	0.33	.237	.299	.372	.671	.135	4.4	.290	0.0		-0.4	33	-5.2	.293	82
2026	ATC DC	ROS	7.4%	23.3%	0.32	.244	.303	.388	.691	.145	4.3	.300	-0.1		-0.3	35	-3.3	.301	88
2026	THE BAT	ROS	7.7%	21.5%	0.36	.245	.305	.376	.681	.131	4.4	.297			0.0	34	-4.1	.297	85
2026	THE BAT X	ROS	7.7%	21.6%	0.36	.246	.306	.377	.683	.132	4.4	.298			-0.1	35	-3.9	.298	86
2026	OOPSY	ROS	7.8%	22.7%	0.34	.263	.323	.434	.757	.171	4.6	.319	0.1		-0.2	42	3.8	.327	106
Total	- - -	MLB	6.5%	24.8%	0.26	.229	.284	.358	.642	.129	3.9	.291		0.6	-0.8	24	-6.5	.284	74

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
2021	BOS	CPX	14.0%	25.2%	0.56	.275	.377	.440	.817	.165	8.4	.361			0.8	19	3.2	.385	109
2022	BOS	A	16.6%	25.3%	0.65	.286	.406	.504	.910	.218	6.4	.375			2.2	60	19.9	.417	144
2022	BOS	A+	14.7%	25.0%	0.59	.265	.379	.449	.828	.184	4.9	.338			-0.1	19	4.1	.376	124
2022	BOS	MiLB	16.0%	25.2%	0.64	.280	.399	.489	.887	.209	6.3	.365			2.2	79	24.0	.406	139
2022	BOS	ST	20.0%	40.0%	0.50	.000	.200	.000	.200	.000	0.1	.000			0.0	0	-0.9	.142	-29
2023	BOS	A+	10.4%	22.6%	0.46	.290	.366	.524	.890	.234	5.3	.343			-0.2	30	8.4	.396	136
2023	BOS	AA	7.9%	25.8%	0.31	.189	.254	.355	.609	.166	5.1	.220			-0.8	15	-8.6	.273	61
2023	BOS	MiLB	9.0%	24.3%	0.37	.236	.306	.433	.739	.197	5.2	.277			-1.0	45	-0.2	.330	96
2023	BOS	ST	0.0%	11.1%	0.00	.333	.333	.444	.778	.111	5.0	.375			0.2	1	0.0	.341	97
2024	BOS	AA	9.0%	19.7%	0.45	.307	.370	.480	.850	.173	5.6	.367			1.0	56	16.5	.383	140
2024	BOS	ST	0.0%	25.0%	0.00	.250	.250	.500	.750	.250	0.1	.333			0.0	0	-0.1	.315	84
2025	BOS	AAA	10.4%	19.7%	0.53	.271	.347	.471	.818	.200	5.2	.296			0.0	29	3.4	.360	113
2025	BOS	ST	18.2%	25.0%	0.73	.333	.455	.528	.982	.194	3.7	.458			-0.1	10	3.6	.435	155
2025	BOS	MLB	5.9%	30.1%	0.20	.228	.272	.402	.674	.173	4.9	.301		0.8	-1.0	13	-2.6	.290	80
2025			8.4%	22.2%	0.38	.245	.315	.404	.719	.159	5.2	.291						.313
2026	BOS	ST	17.0%	19.1%	0.89	.231	.362	.333	.695	.103	1.1	.276			-0.1	6	-0.5	.328	86
2026	FGDC	PROJ	7.4%	23.3%	0.32	.245	.304	.400	.704	.156	4.3	.297	0.1		-0.6	52	-2.9	.305	91
2026	Steamer	PROJ	7.3%	22.8%	0.32	.251	.310	.415	.725	.164	4.3	.303	0.2		-0.2	42	0.2	.314	96
2026	ZiPS	PROJ	7.6%	23.9%	0.32	.238	.298	.386	.684	.148	4.6	.292			-0.7	37	-4.6	.297	85
2026	ZiPS DC	PROJ	7.6%	23.9%	0.32	.238	.298	.386	.684	.148	4.6	.292	0.0		-0.9	49	-6.0	.297	85
2026	ATC	PROJ	7.2%	24.3%	0.30	.243	.299	.393	.692	.150	4.6	.300	0.1		-0.4	46	-4.6	.300	87
2026	THE BAT	PROJ	7.4%	23.7%	0.31	.245	.303	.395	.697	.150	4.4	.300			0.0	47	-3.9	.302	88
2026	THE BAT X	PROJ	7.3%	23.8%	0.31	.245	.302	.387	.689	.142	4.5	.303			0.0	46	-4.9	.299	86
2026	OOPSY	PROJ	7.8%	24.4%	0.32	.253	.313	.420	.733	.168	4.3	.311	0.2		-0.4	56	1.6	.317	99
2026	BOS	MLB	7.1%	19.0%	0.38	.230	.296	.310	.606	.080	3.6	.281		-0.1	0.2	11	-3.9	.278	68
2026			9.5%	22.2%	0.43	.240	.319	.389	.708	.148	5.1	.288						.317
2026	FGDC	ROS	7.4%	22.0%	0.34	.242	.303	.381	.684	.139	4.3	.293	0.1		-0.3	35	-3.8	.299	86
2026	Steamer	ROS	7.3%	21.3%	0.34	.247	.306	.390	.697	.144	4.0	.296	0.1		-0.2	36	-2.4	.304	90
2026			7.5%	23.0%	0.33	.236	.298	.370	.668	.134	4.4	.290	0.0		-0.4	28	-4.6	.292	82
2026	ZiPS DC	ROS	7.5%	22.7%	0.33	.237	.299	.372	.671	.135	4.4	.290	0.0		-0.4	33	-5.2	.293	82
2026	ATC DC	ROS	7.4%	23.3%	0.32	.244	.303	.388	.691	.145	4.3	.300	-0.1		-0.3	35	-3.3	.301	88
2026	THE BAT	ROS	7.7%	21.5%	0.36	.245	.305	.376	.681	.131	4.4	.297			0.0	34	-4.1	.297	85
2026	THE BAT X	ROS	7.7%	21.6%	0.36	.246	.306	.377	.683	.132	4.4	.298			-0.1	35	-3.9	.298	86
2026	OOPSY	ROS	7.8%	22.7%	0.34	.263	.323	.434	.757	.171	4.6	.319	0.1		-0.2	42	3.8	.327	106
Total	- - -	MLB	6.5%	24.8%	0.26	.229	.284	.358	.642	.129	3.9	.291		0.6	-0.8	24	-6.5	.284	74

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)	SLG SLG - Slugging Percentage	wOBA wOBA - Weighted On Base Average (Linear Weights)
2025	BOS	AAA	134	89.8	111.2	12.3	0		64	47.8%	.271	.471	.360
2025	BOS	MLB									.228	.402	.290
2026	BOS	ST	30	90.2	110.0	19.1	4	13.3%	11	36.7%	.231	.333	.328
2026	BOS	MLB									.230	.310	.278
Total	- - -	MLB									.229	.358	.284

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)	SLG SLG - Slugging Percentage	wOBA wOBA - Weighted On Base Average (Linear Weights)
2025	BOS	AAA	134	89.8	111.2	12.3	0		64	47.8%	.271	.471	.360
2025	BOS	MLB									.228	.402	.290
2026	BOS	ST	30	90.2	110.0	19.1	4	13.3%	11	36.7%	.231	.333	.328
2026	BOS	MLB									.230	.310	.278
Total	- - -	MLB									.229	.358	.284

Marcelo Mayer

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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