Marcelo Mayer

Boston Red Sox

2B/3B

Age: 23

Bats/Throws: L/R

6'3" / 188

DOB: 12/12/2002

(23 years, 5 months, 30 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)	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
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	.338	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	.263	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	59	189	3	17	17	3	6.3%	17.5%	.094	.255	.224	.282	.318	.270	.260	64	0.1	-7.9	0.7	-0.1
2026	FGDC	ROS	23	68	293	7	33	32	3	7.2%	21.4%	.139	.286	.240	.299	.379	.300		84	-0.1	-5.4	1.5	0.6
2026	Steamer	ROS	23	68	267	6	28	29	4	7.1%	20.6%	.145	.290	.246	.304	.390	.307		89	0.0	-3.4	1.1	0.7
2026	ZiPS	ROS	23	62	228	5	27	25	2	7.3%	22.2%	.133	.282	.234	.294	.367	.293		80	-0.2	-5.6	1.0	0.4
2026	ZiPS DC	ROS	23	68	293	7	35	32	3	7.3%	22.2%	.133	.282	.234	.294	.367	.293		80	-0.2	-7.2	2.0	0.5
2026	ATC DC	ROS	23	68	293	7	33	32	4	7.4%	23.3%	.145	.300	.244	.303	.388	.305		88	-0.3	-4.4	1.9	0.8
2026	THE BAT	ROS	23	69	299	6	32	34	4	7.5%	20.8%	.132	.292	.244	.303	.376	.301		85	0.1	-5.2	2.6	0.8
2026	THE BAT X	ROS	23	69	299	6	33	33	4	7.4%	20.9%	.131	.292	.244	.302	.374	.300		84	0.0	-5.5	2.6	0.8
2026	OOPSY	ROS	23	68	293	8	36	37	4	7.6%	22.2%	.169	.316	.263	.321	.432	.331		105	0.0	1.8	2.7	1.5
Total	- - -	MLB		103	325	7	37	27	3	6.2%	22.8%	.128	.273	.226	.278	.354	.278	.261	71	0.0	-11.3	3.7	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
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	.338	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	.263	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	59	189	3	17	17	3	6.3%	17.5%	.094	.255	.224	.282	.318	.270	.260	64	0.1	-7.9	0.7	-0.1
2026	FGDC	ROS	23	68	293	7	33	32	3	7.2%	21.4%	.139	.286	.240	.299	.379	.300		84	-0.1	-5.4	1.5	0.6
2026	Steamer	ROS	23	68	267	6	28	29	4	7.1%	20.6%	.145	.290	.246	.304	.390	.307		89	0.0	-3.4	1.1	0.7
2026	ZiPS	ROS	23	62	228	5	27	25	2	7.3%	22.2%	.133	.282	.234	.294	.367	.293		80	-0.2	-5.6	1.0	0.4
2026	ZiPS DC	ROS	23	68	293	7	35	32	3	7.3%	22.2%	.133	.282	.234	.294	.367	.293		80	-0.2	-7.2	2.0	0.5
2026	ATC DC	ROS	23	68	293	7	33	32	4	7.4%	23.3%	.145	.300	.244	.303	.388	.305		88	-0.3	-4.4	1.9	0.8
2026	THE BAT	ROS	23	69	299	6	32	34	4	7.5%	20.8%	.132	.292	.244	.303	.376	.301		85	0.1	-5.2	2.6	0.8
2026	THE BAT X	ROS	23	69	299	6	33	33	4	7.4%	20.9%	.131	.292	.244	.302	.374	.300		84	0.0	-5.5	2.6	0.8
2026	OOPSY	ROS	23	68	293	8	36	37	4	7.6%	22.2%	.169	.316	.263	.321	.432	.331		105	0.0	1.8	2.7	1.5
Total	- - -	MLB		103	325	7	37	27	3	6.2%	22.8%	.128	.273	.226	.278	.354	.278	.261	71	0.0	-11.3	3.7	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)
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	59	170	189	38	28	7	0	3	17	17	12	0	33	3	3	0	4	3	0	.224
2026	FGDC	ROS	68	267	293	64	42	14	1	7	33	32	21	0	63	2	2	1		3	1	.240
2026	Steamer	ROS	68	243	267	60	38	14	1	6	28	29	19	0	55	2	2	1		4	1	.246
2026	ZiPS	ROS	62	207	228	48	32	10	1	5	27	25	17	0	51	2	2	0		2	1	.234
2026	ZiPS DC	ROS	68	267	293	62	41	13	1	7	35	32	21	1	65	2	3	0		3	1	.234
2026	ATC DC	ROS	68	268	293	65	41	16	1	7	33	32	22	1	68	2	2	0		4	1	.244
2026	THE BAT	ROS	69	272	299	66	44	16	1	6	32	34	22	1	62	2	2	0	6	4	1	.244
2026	THE BAT X	ROS	69	273	299	66	44	15	1	6	33	33	22	1	62	2	2	0	6	4	1	.244
2026	OOPSY	ROS	68	266	293	70	43	17	1	8	36	37	22	0	65	2	2	1		4	1	.263
Total	- - -	MLB	103	297	325	67	44	15	1	7	37	27	20	0	74	3	4	0	6	3	2	.226

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	59	170	189	38	28	7	0	3	17	17	12	0	33	3	3	0	4	3	0	.224
2026	FGDC	ROS	68	267	293	64	42	14	1	7	33	32	21	0	63	2	2	1		3	1	.240
2026	Steamer	ROS	68	243	267	60	38	14	1	6	28	29	19	0	55	2	2	1		4	1	.246
2026	ZiPS	ROS	62	207	228	48	32	10	1	5	27	25	17	0	51	2	2	0		2	1	.234
2026	ZiPS DC	ROS	68	267	293	62	41	13	1	7	35	32	21	1	65	2	3	0		3	1	.234
2026	ATC DC	ROS	68	268	293	65	41	16	1	7	33	32	22	1	68	2	2	0		4	1	.244
2026	THE BAT	ROS	69	272	299	66	44	16	1	6	32	34	22	1	62	2	2	0	6	4	1	.244
2026	THE BAT X	ROS	69	273	299	66	44	15	1	6	33	33	22	1	62	2	2	0	6	4	1	.244
2026	OOPSY	ROS	68	266	293	70	43	17	1	8	36	37	22	0	65	2	2	1		4	1	.263
Total	- - -	MLB	103	297	325	67	44	15	1	7	37	27	20	0	74	3	4	0	6	3	2	.226

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	6.3%	17.5%	0.36	.224	.282	.318	.600	.094	4.0	.255		-0.2	0.4	15	-7.0	.270	64
2026			9.2%	22.0%	0.42	.242	.319	.395	.713	.153	5.1	.288						.317
2026	FGDC	ROS	7.2%	21.4%	0.34	.240	.299	.379	.678	.139	4.2	.286	0.1		-0.1	31	-3.9	.300	84
2026	Steamer	ROS	7.1%	20.6%	0.34	.246	.304	.390	.694	.145	4.2	.290	0.1		-0.1	29	-2.1	.307	89
2026	ZiPS	ROS	7.3%	22.2%	0.33	.234	.294	.367	.661	.133	4.5	.282	0.0		-0.2	23	-4.3	.293	80
2026	ZiPS DC	ROS	7.3%	22.2%	0.33	.234	.294	.367	.661	.133	4.5	.282	0.0		-0.2	29	-5.5	.293	80
2026	ATC DC	ROS	7.4%	23.3%	0.32	.244	.303	.388	.691	.145	4.3	.300	-0.1		-0.2	32	-2.7	.305	88
2026	THE BAT	ROS	7.5%	20.8%	0.36	.244	.303	.376	.679	.132	4.2	.292			0.1	31	-3.8	.301	85
2026	THE BAT X	ROS	7.4%	20.9%	0.36	.244	.302	.374	.677	.131	4.4	.292			0.0	31	-4.1	.300	84
2026	OOPSY	ROS	7.6%	22.2%	0.34	.263	.321	.432	.753	.169	4.6	.316	0.1		0.0	38	3.2	.331	105
Total	- - -	MLB	6.2%	22.8%	0.27	.226	.278	.354	.631	.128	4.1	.273		0.6	-0.6	29	-9.6	.278	71

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	6.3%	17.5%	0.36	.224	.282	.318	.600	.094	4.0	.255		-0.2	0.4	15	-7.0	.270	64
2026			9.2%	22.0%	0.42	.242	.319	.395	.713	.153	5.1	.288						.317
2026	FGDC	ROS	7.2%	21.4%	0.34	.240	.299	.379	.678	.139	4.2	.286	0.1		-0.1	31	-3.9	.300	84
2026	Steamer	ROS	7.1%	20.6%	0.34	.246	.304	.390	.694	.145	4.2	.290	0.1		-0.1	29	-2.1	.307	89
2026	ZiPS	ROS	7.3%	22.2%	0.33	.234	.294	.367	.661	.133	4.5	.282	0.0		-0.2	23	-4.3	.293	80
2026	ZiPS DC	ROS	7.3%	22.2%	0.33	.234	.294	.367	.661	.133	4.5	.282	0.0		-0.2	29	-5.5	.293	80
2026	ATC DC	ROS	7.4%	23.3%	0.32	.244	.303	.388	.691	.145	4.3	.300	-0.1		-0.2	32	-2.7	.305	88
2026	THE BAT	ROS	7.5%	20.8%	0.36	.244	.303	.376	.679	.132	4.2	.292			0.1	31	-3.8	.301	85
2026	THE BAT X	ROS	7.4%	20.9%	0.36	.244	.302	.374	.677	.131	4.4	.292			0.0	31	-4.1	.300	84
2026	OOPSY	ROS	7.6%	22.2%	0.34	.263	.321	.432	.753	.169	4.6	.316	0.1		0.0	38	3.2	.331	105
Total	- - -	MLB	6.2%	22.8%	0.27	.226	.278	.354	.631	.128	4.1	.273		0.6	-0.6	29	-9.6	.278	71

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
2025	BOS	AAA	134	89.8	111.2	12.3	13	9.7%	64	47.8%	.271	.249	.471	.453	.360	.338
2025	BOS	MLB	87	90.0	108.7	6.7	8	9.2%	45	51.7%	.228	.210	.402	.348	.290	.263
2026	BOS	ST	30	90.2	110.0	19.1	0	0.0%	11	36.7%	.231		.333		.328
2026	BOS	MLB	141	86.8	109.1	9.4	9	6.4%	52	36.9%	.224	.203	.318	.301	.270	.260
Total	- - -	MLB	228	88.0	109.1	8.4	17	7.5%	97	42.5%	.226	.206	.354	.321	.278	.261

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
2025	BOS	AAA	134	89.8	111.2	12.3	13	9.7%	64	47.8%	.271	.249	.471	.453	.360	.338
2025	BOS	MLB	87	90.0	108.7	6.7	8	9.2%	45	51.7%	.228	.210	.402	.348	.290	.263
2026	BOS	ST	30	90.2	110.0	19.1	0	0.0%	11	36.7%	.231		.333		.328
2026	BOS	MLB	141	86.8	109.1	9.4	9	6.4%	52	36.9%	.224	.203	.318	.301	.270	.260
Total	- - -	MLB	228	88.0	109.1	8.4	17	7.5%	97	42.5%	.226	.206	.354	.321	.278	.261

Marcelo Mayer

Stats

Dashboard

Standard

Advanced

Statcast

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