Marcelo Mayer

Boston Red Sox

3B

Age: 22

Bats/Throws: L/R

6'3" / 188

DOB: 12/12/2002

(22 years, 6 months, 4 days)

3B

Pitch Type Splits

Season	Pitch	Pitches Pitches - Pitches Thrown	divider	AB	PA	H H - Hits Allowed	1B	2B L - Losses	3B ERA - Earned Run Average ((ER*9)/IP)	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	SO SO - Strikeouts	HBP HBP - Hit Batters	SF	SH	GDP	AVG AVG - Batting Average Against	divider	minVel	maxVel	Vel
2025	Fourseam (FA)	81		17	18	4	2	1	0	1	1	0	2	0	0	0	0	.235		91.5	101.1	95.1
2025	Slider (SL)	35		9	9	3	1	1	0	1	0	0	4	0	0	0	0	.333		78.0	90.2	85.1
2025	Sinker (SI)	33		8	10	1	1	0	0	0	1	0	3	0	1	0	0	.125		87.2	98.2	92.5
2025	Splitter (FS)	30		7	7	1	0	0	0	1	0	0	5	0	0	0	0	.143		79.5	92.8	83.9
2025	Changeup (CH)	14		2	3	0	0	0	0	0	1	0	1	0	0	0	0	.000		85.3	90.0	87.5
2025	Curveball (CU)	14		3	3	1	0	1	0	0	0	0	2	0	0	0	0	.333		71.1	86.0	79.3
2025	Cutter (FC)	9		3	3	1	1	0	0	0	0	0	0	0	0	0	0	.333		86.9	92.5	89.5
2025	Knuckle Curve (KC)	5		0	1	0	0	0	0	0	1	0	0	0	0	0	0	.000		85.4	88.4	86.8
Total	Fourseam (FA)	81		17	18	4	2	1	0	1	1	0	2	0	0	0	0	.235		91.5	101.1	95.1
Total	Slider (SL)	35		9	9	3	1	1	0	1	0	0	4	0	0	0	0	.333		78.0	90.2	85.1
Total	Sinker (SI)	33		8	10	1	1	0	0	0	1	0	3	0	1	0	0	.125		87.2	98.2	92.5
Total	Splitter (FS)	30		7	7	1	0	0	0	1	0	0	5	0	0	0	0	.143		79.5	92.8	83.9
Total	Changeup (CH)	14		2	3	0	0	0	0	0	1	0	1	0	0	0	0	.000		85.3	90.0	87.5
Total	Curveball (CU)	14		3	3	1	0	1	0	0	0	0	2	0	0	0	0	.333		71.1	86.0	79.3
Total	Cutter (FC)	9		3	3	1	1	0	0	0	0	0	0	0	0	0	0	.333		86.9	92.5	89.5
Total	Knuckle Curve (KC)	5		0	1	0	0	0	0	0	1	0	0	0	0	0	0	.000		85.4	88.4	86.8

Season	Pitch	Pitches Pitches - Pitches Thrown	divider	AB	PA	H H - Hits Allowed	1B	2B L - Losses	3B ERA - Earned Run Average ((ER*9)/IP)	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	SO SO - Strikeouts	HBP HBP - Hit Batters	SF	SH	GDP	AVG AVG - Batting Average Against	divider	minVel	maxVel	Vel
2025	Fourseam (FA)	81		17	18	4	2	1	0	1	1	0	2	0	0	0	0	.235		91.5	101.1	95.1
2025	Slider (SL)	35		9	9	3	1	1	0	1	0	0	4	0	0	0	0	.333		78.0	90.2	85.1
2025	Sinker (SI)	33		8	10	1	1	0	0	0	1	0	3	0	1	0	0	.125		87.2	98.2	92.5
2025	Splitter (FS)	30		7	7	1	0	0	0	1	0	0	5	0	0	0	0	.143		79.5	92.8	83.9
2025	Changeup (CH)	14		2	3	0	0	0	0	0	1	0	1	0	0	0	0	.000		85.3	90.0	87.5
2025	Curveball (CU)	14		3	3	1	0	1	0	0	0	0	2	0	0	0	0	.333		71.1	86.0	79.3
2025	Cutter (FC)	9		3	3	1	1	0	0	0	0	0	0	0	0	0	0	.333		86.9	92.5	89.5
2025	Knuckle Curve (KC)	5		0	1	0	0	0	0	0	1	0	0	0	0	0	0	.000		85.4	88.4	86.8
Total	Fourseam (FA)	81		17	18	4	2	1	0	1	1	0	2	0	0	0	0	.235		91.5	101.1	95.1
Total	Slider (SL)	35		9	9	3	1	1	0	1	0	0	4	0	0	0	0	.333		78.0	90.2	85.1
Total	Sinker (SI)	33		8	10	1	1	0	0	0	1	0	3	0	1	0	0	.125		87.2	98.2	92.5
Total	Splitter (FS)	30		7	7	1	0	0	0	1	0	0	5	0	0	0	0	.143		79.5	92.8	83.9
Total	Changeup (CH)	14		2	3	0	0	0	0	0	1	0	1	0	0	0	0	.000		85.3	90.0	87.5
Total	Curveball (CU)	14		3	3	1	0	1	0	0	0	0	2	0	0	0	0	.333		71.1	86.0	79.3
Total	Cutter (FC)	9		3	3	1	1	0	0	0	0	0	0	0	0	0	0	.333		86.9	92.5	89.5
Total	Knuckle Curve (KC)	5		0	1	0	0	0	0	0	1	0	0	0	0	0	0	.000		85.4	88.4	86.8

Season	Pitch	Pitches Pitches - Pitches Thrown	divider	BB% BB% - Walk Percentage (BB/TBF)	K% K% - Strikeout Percentage (SO/TBF)	BB/K	AVG AVG - Batting Average Against	OBP	SLG	OPS	ISO	BABIP BABIP - Batting Average on Balls in Play	wRC	wRAA	wOBA	wRC+
2025	Fourseam (FA)	81		5.6%	11.1%	0.50	.235	.278	.471	.748	.235	.214	2.2	0.1	.323	119
2025	Slider (SL)	35		0.0%	44.4%	0.00	.333	.333	.778	1.111	.444	.500	2.2	1.1	.470	221
2025	Sinker (SI)	33		10.0%	30.0%	0.33	.125	.200	.125	.325	.000	.167	-0.1	-1.2	.158	6
2025	Splitter (FS)	30		0.0%	71.4%	0.00	.143	.143	.571	.714	.429	.000	0.7	-0.1	.297	104
2025	Changeup (CH)	14		33.3%	33.3%	1.00	.000	.333	.000	.333	.000	.000	0.1	-0.2	.231	54
2025	Curveball (CU)	14		0.0%	66.7%	0.00	.333	.333	.667	1.000	.333	1.000	0.6	0.3	.422	188
2025	Cutter (FC)	9		0.0%	0.0%	0.00	.333	.333	.333	.667	.000	.333	0.3	0.0	.296	99
2025	Knuckle Curve (KC)	5		100.0%	0.0%	1.00	.000	1.000	.000	1.000	.000	.000	0.4	0.3	.694	362
Total	Fourseam (FA)	81		5.6%	11.1%	0.50	.235	.278	.471	.748	.235	.214	2.2	0.1	.323	119
Total	Slider (SL)	35		0.0%	44.4%	0.00	.333	.333	.778	1.111	.444	.500	2.2	1.1	.470	221
Total	Sinker (SI)	33		10.0%	30.0%	0.33	.125	.200	.125	.325	.000	.167	-0.1	-1.2	.158	6
Total	Splitter (FS)	30		0.0%	71.4%	0.00	.143	.143	.571	.714	.429	.000	0.7	-0.1	.297	104
Total	Changeup (CH)	14		33.3%	33.3%	1.00	.000	.333	.000	.333	.000	.000	0.1	-0.2	.231	54
Total	Curveball (CU)	14		0.0%	66.7%	0.00	.333	.333	.667	1.000	.333	1.000	0.6	0.3	.422	188
Total	Cutter (FC)	9		0.0%	0.0%	0.00	.333	.333	.333	.667	.000	.333	0.3	0.0	.296	99
Total	Knuckle Curve (KC)	5		100.0%	0.0%	1.00	.000	1.000	.000	1.000	.000	.000	0.4	0.3	.694	362

Season	Pitch	Pitches Pitches - Pitches Thrown	divider	BB% BB% - Walk Percentage (BB/TBF)	K% K% - Strikeout Percentage (SO/TBF)	BB/K	AVG AVG - Batting Average Against	OBP	SLG	OPS	ISO	BABIP BABIP - Batting Average on Balls in Play	wRC	wRAA	wOBA	wRC+
2025	Fourseam (FA)	81		5.6%	11.1%	0.50	.235	.278	.471	.748	.235	.214	2.2	0.1	.323	119
2025	Slider (SL)	35		0.0%	44.4%	0.00	.333	.333	.778	1.111	.444	.500	2.2	1.1	.470	221
2025	Sinker (SI)	33		10.0%	30.0%	0.33	.125	.200	.125	.325	.000	.167	-0.1	-1.2	.158	6
2025	Splitter (FS)	30		0.0%	71.4%	0.00	.143	.143	.571	.714	.429	.000	0.7	-0.1	.297	104
2025	Changeup (CH)	14		33.3%	33.3%	1.00	.000	.333	.000	.333	.000	.000	0.1	-0.2	.231	54
2025	Curveball (CU)	14		0.0%	66.7%	0.00	.333	.333	.667	1.000	.333	1.000	0.6	0.3	.422	188
2025	Cutter (FC)	9		0.0%	0.0%	0.00	.333	.333	.333	.667	.000	.333	0.3	0.0	.296	99
2025	Knuckle Curve (KC)	5		100.0%	0.0%	1.00	.000	1.000	.000	1.000	.000	.000	0.4	0.3	.694	362
Total	Fourseam (FA)	81		5.6%	11.1%	0.50	.235	.278	.471	.748	.235	.214	2.2	0.1	.323	119
Total	Slider (SL)	35		0.0%	44.4%	0.00	.333	.333	.778	1.111	.444	.500	2.2	1.1	.470	221
Total	Sinker (SI)	33		10.0%	30.0%	0.33	.125	.200	.125	.325	.000	.167	-0.1	-1.2	.158	6
Total	Splitter (FS)	30		0.0%	71.4%	0.00	.143	.143	.571	.714	.429	.000	0.7	-0.1	.297	104
Total	Changeup (CH)	14		33.3%	33.3%	1.00	.000	.333	.000	.333	.000	.000	0.1	-0.2	.231	54
Total	Curveball (CU)	14		0.0%	66.7%	0.00	.333	.333	.667	1.000	.333	1.000	0.6	0.3	.422	188
Total	Cutter (FC)	9		0.0%	0.0%	0.00	.333	.333	.333	.667	.000	.333	0.3	0.0	.296	99
Total	Knuckle Curve (KC)	5		100.0%	0.0%	1.00	.000	1.000	.000	1.000	.000	.000	0.4	0.3	.694	362

Season	Pitch	Pitches Pitches - Pitches Thrown	divider	LD% LD% - Line Drive Percentage (LD/BIP)	GB% GB% - Ground Ball Percentage (GB/BIP)	FB% FB% - Fly Ball Percentage (FB/BIP)	IFFB% IFFB% - Infield Fly Ball Percentage (IFFB/FB)	HR/FB HR/FB - Home Run to Fly Ball Ratio	Strikes Strikes - Strikes Thrown	Balls Balls - Balls Thrown	Pitches Pitches - Pitches Thrown	divider	xMov	zMov	Mov
2025	Fourseam (FA)	81		13.3%	53.3%	33.3%	20.0%	20.0%	57	24	81		-2.9	9.4	10.9
2025	Slider (SL)	35		20.0%	20.0%	60.0%	0.0%	33.3%	24	11	35		0.0	0.3	3.3
2025	Sinker (SI)	33		0.0%	83.3%	16.7%	0.0%	0.0%	23	10	33		-0.9	2.9	10.9
2025	Splitter (FS)	30		0.0%	50.0%	50.0%	0.0%	100.0%	18	12	30		-6.0	1.0	6.6
2025	Changeup (CH)	14		0.0%	100.0%	0.0%	0.0%	0.0%	9	5	14		-8.7	2.6	9.1
2025	Curveball (CU)	14		100.0%	0.0%	0.0%	0.0%	0.0%	10	4	14		1.5	-6.3	8.0
2025	Cutter (FC)	9		33.3%	33.3%	33.3%	0.0%	0.0%	6	3	9		0.2	7.2	7.4
2025	Knuckle Curve (KC)	5		0.0%	0.0%	0.0%	0.0%	0.0%	1	4	5		3.8	-4.2	5.8
Total	Fourseam (FA)	81		13.3%	53.3%	33.3%	20.0%	20.0%	57	24	81		-2.9	9.4	10.9
Total	Slider (SL)	35		20.0%	20.0%	60.0%	0.0%	33.3%	24	11	35		0.0	0.3	3.3
Total	Sinker (SI)	33		0.0%	83.3%	16.7%	0.0%	0.0%	23	10	33		-0.9	2.9	10.9
Total	Splitter (FS)	30		0.0%	50.0%	50.0%	0.0%	100.0%	18	12	30		-6.0	1.0	6.6
Total	Changeup (CH)	14		0.0%	100.0%	0.0%	0.0%	0.0%	9	5	14		-8.7	2.6	9.1
Total	Curveball (CU)	14		100.0%	0.0%	0.0%	0.0%	0.0%	10	4	14		1.5	-6.3	8.0
Total	Cutter (FC)	9		33.3%	33.3%	33.3%	0.0%	0.0%	6	3	9		0.2	7.2	7.4
Total	Knuckle Curve (KC)	5		0.0%	0.0%	0.0%	0.0%	0.0%	1	4	5		3.8	-4.2	5.8

Season	Pitch	Pitches Pitches - Pitches Thrown	divider	LD% LD% - Line Drive Percentage (LD/BIP)	GB% GB% - Ground Ball Percentage (GB/BIP)	FB% FB% - Fly Ball Percentage (FB/BIP)	IFFB% IFFB% - Infield Fly Ball Percentage (IFFB/FB)	HR/FB HR/FB - Home Run to Fly Ball Ratio	Strikes Strikes - Strikes Thrown	Balls Balls - Balls Thrown	Pitches Pitches - Pitches Thrown	divider	xMov	zMov	Mov
2025	Fourseam (FA)	81		13.3%	53.3%	33.3%	20.0%	20.0%	57	24	81		-2.9	9.4	10.9
2025	Slider (SL)	35		20.0%	20.0%	60.0%	0.0%	33.3%	24	11	35		0.0	0.3	3.3
2025	Sinker (SI)	33		0.0%	83.3%	16.7%	0.0%	0.0%	23	10	33		-0.9	2.9	10.9
2025	Splitter (FS)	30		0.0%	50.0%	50.0%	0.0%	100.0%	18	12	30		-6.0	1.0	6.6
2025	Changeup (CH)	14		0.0%	100.0%	0.0%	0.0%	0.0%	9	5	14		-8.7	2.6	9.1
2025	Curveball (CU)	14		100.0%	0.0%	0.0%	0.0%	0.0%	10	4	14		1.5	-6.3	8.0
2025	Cutter (FC)	9		33.3%	33.3%	33.3%	0.0%	0.0%	6	3	9		0.2	7.2	7.4
2025	Knuckle Curve (KC)	5		0.0%	0.0%	0.0%	0.0%	0.0%	1	4	5		3.8	-4.2	5.8
Total	Fourseam (FA)	81		13.3%	53.3%	33.3%	20.0%	20.0%	57	24	81		-2.9	9.4	10.9
Total	Slider (SL)	35		20.0%	20.0%	60.0%	0.0%	33.3%	24	11	35		0.0	0.3	3.3
Total	Sinker (SI)	33		0.0%	83.3%	16.7%	0.0%	0.0%	23	10	33		-0.9	2.9	10.9
Total	Splitter (FS)	30		0.0%	50.0%	50.0%	0.0%	100.0%	18	12	30		-6.0	1.0	6.6
Total	Changeup (CH)	14		0.0%	100.0%	0.0%	0.0%	0.0%	9	5	14		-8.7	2.6	9.1
Total	Curveball (CU)	14		100.0%	0.0%	0.0%	0.0%	0.0%	10	4	14		1.5	-6.3	8.0
Total	Cutter (FC)	9		33.3%	33.3%	33.3%	0.0%	0.0%	6	3	9		0.2	7.2	7.4
Total	Knuckle Curve (KC)	5		0.0%	0.0%	0.0%	0.0%	0.0%	1	4	5		3.8	-4.2	5.8

Season	Pitch	Pitches Pitches - Pitches Thrown	divider	O-Swing% O-Swing% - Percentage of pitches a batter swings at outside the strike zone	Z-Swing% Z-Swing% - Percentage of pitches a batter swings at inside the strike zone.	Swing% Swing% - Total percentage of pitches a batter swings at	O-Contact% O-Contact% - Percentage of times a batter makes contact with the ball when swinging at pitches thrown outside the strike zone	Z-Contact% Z-Contact% - Percentage of times a batter makes contact with the ball when swinging at pitches thrown inside the strike zone	Contact% Contact% - Total percentage of contact made when swinging at all pitches	Zone% Zone% - Percentage of pitches seen inside the strike zone	SwStr% SwStr% - Percentage of Strikes that were swung at and missed	divider	pVAL	pVAL/C
2025	Fourseam (FA)	81		30.0%	64.7%	51.9%	66.7%	97.0%	90.5%	63.0%	4.9%		-0.1	-0.1
2025	Slider (SL)	35		42.1%	75.0%	57.1%	0.0%	83.3%	50.0%	45.7%	28.6%		-1.3	-3.7
2025	Sinker (SI)	33		41.7%	61.9%	54.5%	20.0%	84.6%	66.7%	63.6%	18.2%		1.3	4.0
2025	Splitter (FS)	30		29.4%	92.3%	56.7%	40.0%	58.3%	52.9%	43.3%	26.7%		-0.2	-0.8
2025	Changeup (CH)	14		50.0%	100.0%	64.3%	60.0%	100.0%	77.8%	28.6%	14.3%		0.4	2.9
2025	Curveball (CU)	14		37.5%	66.7%	50.0%	0.0%	50.0%	28.6%	42.9%	35.7%		-0.2	-1.6
2025	Cutter (FC)	9		0.0%	83.3%	55.6%		100.0%	100.0%	66.7%	0.0%		0.1	1.6
2025	Knuckle Curve (KC)	5		20.0%		20.0%	0.0%		0.0%	0.0%	20.0%		-0.4	-7.3
Total	Fourseam (FA)	81		30.0%	64.7%	51.9%	66.7%	97.0%	90.5%	63.0%	4.9%		-0.1	-0.1
Total	Slider (SL)	35		42.1%	75.0%	57.1%	0.0%	83.3%	50.0%	45.7%	28.6%		-1.3	-3.7
Total	Sinker (SI)	33		41.7%	61.9%	54.5%	20.0%	84.6%	66.7%	63.6%	18.2%		1.3	4.0
Total	Splitter (FS)	30		29.4%	92.3%	56.7%	40.0%	58.3%	52.9%	43.3%	26.7%		-0.2	-0.8
Total	Changeup (CH)	14		50.0%	100.0%	64.3%	60.0%	100.0%	77.8%	28.6%	14.3%		0.4	2.9
Total	Curveball (CU)	14		37.5%	66.7%	50.0%	0.0%	50.0%	28.6%	42.9%	35.7%		-0.2	-1.6
Total	Cutter (FC)	9		0.0%	83.3%	55.6%		100.0%	100.0%	66.7%	0.0%		0.1	1.6
Total	Knuckle Curve (KC)	5		20.0%		20.0%	0.0%		0.0%	0.0%	20.0%		-0.4	-7.3

Season	Pitch	Pitches Pitches - Pitches Thrown	divider	O-Swing% O-Swing% - Percentage of pitches a batter swings at outside the strike zone	Z-Swing% Z-Swing% - Percentage of pitches a batter swings at inside the strike zone.	Swing% Swing% - Total percentage of pitches a batter swings at	O-Contact% O-Contact% - Percentage of times a batter makes contact with the ball when swinging at pitches thrown outside the strike zone	Z-Contact% Z-Contact% - Percentage of times a batter makes contact with the ball when swinging at pitches thrown inside the strike zone	Contact% Contact% - Total percentage of contact made when swinging at all pitches	Zone% Zone% - Percentage of pitches seen inside the strike zone	SwStr% SwStr% - Percentage of Strikes that were swung at and missed	divider	pVAL	pVAL/C
2025	Fourseam (FA)	81		30.0%	64.7%	51.9%	66.7%	97.0%	90.5%	63.0%	4.9%		-0.1	-0.1
2025	Slider (SL)	35		42.1%	75.0%	57.1%	0.0%	83.3%	50.0%	45.7%	28.6%		-1.3	-3.7
2025	Sinker (SI)	33		41.7%	61.9%	54.5%	20.0%	84.6%	66.7%	63.6%	18.2%		1.3	4.0
2025	Splitter (FS)	30		29.4%	92.3%	56.7%	40.0%	58.3%	52.9%	43.3%	26.7%		-0.2	-0.8
2025	Changeup (CH)	14		50.0%	100.0%	64.3%	60.0%	100.0%	77.8%	28.6%	14.3%		0.4	2.9
2025	Curveball (CU)	14		37.5%	66.7%	50.0%	0.0%	50.0%	28.6%	42.9%	35.7%		-0.2	-1.6
2025	Cutter (FC)	9		0.0%	83.3%	55.6%		100.0%	100.0%	66.7%	0.0%		0.1	1.6
2025	Knuckle Curve (KC)	5		20.0%		20.0%	0.0%		0.0%	0.0%	20.0%		-0.4	-7.3
Total	Fourseam (FA)	81		30.0%	64.7%	51.9%	66.7%	97.0%	90.5%	63.0%	4.9%		-0.1	-0.1
Total	Slider (SL)	35		42.1%	75.0%	57.1%	0.0%	83.3%	50.0%	45.7%	28.6%		-1.3	-3.7
Total	Sinker (SI)	33		41.7%	61.9%	54.5%	20.0%	84.6%	66.7%	63.6%	18.2%		1.3	4.0
Total	Splitter (FS)	30		29.4%	92.3%	56.7%	40.0%	58.3%	52.9%	43.3%	26.7%		-0.2	-0.8
Total	Changeup (CH)	14		50.0%	100.0%	64.3%	60.0%	100.0%	77.8%	28.6%	14.3%		0.4	2.9
Total	Curveball (CU)	14		37.5%	66.7%	50.0%	0.0%	50.0%	28.6%	42.9%	35.7%		-0.2	-1.6
Total	Cutter (FC)	9		0.0%	83.3%	55.6%		100.0%	100.0%	66.7%	0.0%		0.1	1.6
Total	Knuckle Curve (KC)	5		20.0%		20.0%	0.0%		0.0%	0.0%	20.0%		-0.4	-7.3