Pitching

Hayden Mullins

Boston Red Sox (AA)

Age: 26

Bats/Throws: L/L

6'0" / 194

DOB: 9/14/2000

(26 years, 1 month, 10 days)

Player Dashboard:

Report: 2026 Updated

Org Rk

Ovr Rk

ETA

N/A

2027

Fastball

45 / 50

Slider

55 / 60

Changeup

40 / 50

Command

35 / 40

RosterResource

How Acquired:	Draft
Draft:	2022, Rd: 12, Pick: 23, Ovr: 369
Draft Team:	Boston Red Sox
Signing Bonus:	$97,500
College:	Auburn

Eligible

News

Rotowire: The Red Sox promoted Mullins from Double-A Portland to Triple-A Worcester on Tuesday. (7/8/2026)

5/22/26

Boston Red Sox Top 48 Prospects

Brendan Gawlowski and Eric Longenhagen

6/25/25

Boston Red Sox Top 45 Prospects

Eric Longenhagen

7/2/24

Boston Red Sox Top 47 Prospects

Eric Longenhagen

Article Source

All

Show

Rotowire News

Injury Report

Report: 2026 Updated

Org Rk

Ovr Rk

ETA

N/A

2027

Fastball

45 / 50

Slider

55 / 60

Changeup

40 / 50

Command

35 / 40

RosterResource

How Acquired:	Draft
Draft:	2022, Rd: 12, Pick: 23, Ovr: 369
Draft Team:	Boston Red Sox
Signing Bonus:	$97,500
College:	Auburn

Eligible

News

Rotowire: The Red Sox promoted Mullins from Double-A Portland to Triple-A Worcester on Tuesday. (7/8/2026)

5/22/26

Boston Red Sox Top 48 Prospects

Brendan Gawlowski and Eric Longenhagen

6/25/25

Boston Red Sox Top 45 Prospects

Eric Longenhagen

7/2/24

Boston Red Sox Top 47 Prospects

Eric Longenhagen

Article Source

All

Show

Rotowire News

Injury Report

Stats

Off

Preseason ProjectionsMinor LeaguesCollege

Season	Team	Level	Age	W	L	G	GS	IP	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	ERA	xERA	FIP	xFIP	WAR
2021	AUB	NCAA	20	2	0	7	0	11.1	15.09	3.18	0.00	.385	73.3%			2.38		1.60
2022	AUB	NCAA	21	2	1	11	8	34.2	11.16	6.49	1.04	.244	79.8%			3.63		5.46
2023	BOS	CPX	22	0	1	2	2	2.2	23.63	6.75	0.00	.000	50.0%	0.0%	0.0%	3.38		0.95	1.33
2023	BOS	A	22	0	1	2	2	3.2	19.64	7.36	0.00	.250	40.0%	33.3%	0.0%	7.36		2.61	2.89
2023	BOS	MiLB	22	0	2	4	4	6.1	21.32	7.11	0.00	.167	42.9%	25.0%	0.0%	5.68		1.91	2.24
2024	BOS	A+	23	4	5	22	17	89.0	11.93	4.25	1.01	.301	70.3%	42.7%	13.7%	3.94		4.12	3.70
2025	BOS	A+	24	1	0	4	3	17.0	14.29	1.59	0.53	.323	95.6%	44.0%	11.1%	1.06		1.69	1.49
2025	BOS	AA	24	7	2	18	18	84.2	10.20	5.10	0.64	.233	81.4%	40.9%	8.6%	2.44		3.79	3.83
2025	BOS	MiLB	24	8	2	22	21	101.2	10.89	4.51	0.62	.246	83.2%	41.3%	8.9%	2.21		3.44	3.44
2026	Steamer	PROJ	25	0	0	0	0	1.0	7.66	4.34	1.23	.301	71.1%	42.8%		4.77		4.81	4.74	0.0
2026	ZiPS	PROJ	25	4	5	21	19	85.7	8.19	4.62	1.16	.290	68.7%			4.83		4.77		0.5
2026	OOPSY	PROJ	25	0	0	1	1	4.3	7.87	4.38	1.13	.300	67.0%			4.79		4.64		0.0
2026	BOS	AA	25	3	5	22	20	92.2	12.82	4.76	0.58	.299	65.7%	40.4%	9.5%	3.98		3.50	3.93
2026	BOS	AAA	25	0	0	1	1	3.0	9.00	12.00	3.00	.429	100.0%	25.0%	25.0%	3.00	10.20	9.82	7.91
2026	BOS	MiLB	25	3	5	23	21	95.2	12.70	4.99	0.66	.304	67.9%	39.8%	10.4%	3.95	10.20	3.70	4.06

Season	Team	Level	Age	W	L	G	GS	IP	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	ERA	xERA	FIP	xFIP	WAR
2021	AUB	NCAA	20	2	0	7	0	11.1	15.09	3.18	0.00	.385	73.3%			2.38		1.60
2022	AUB	NCAA	21	2	1	11	8	34.2	11.16	6.49	1.04	.244	79.8%			3.63		5.46
2023	BOS	CPX	22	0	1	2	2	2.2	23.63	6.75	0.00	.000	50.0%	0.0%	0.0%	3.38		0.95	1.33
2023	BOS	A	22	0	1	2	2	3.2	19.64	7.36	0.00	.250	40.0%	33.3%	0.0%	7.36		2.61	2.89
2023	BOS	MiLB	22	0	2	4	4	6.1	21.32	7.11	0.00	.167	42.9%	25.0%	0.0%	5.68		1.91	2.24
2024	BOS	A+	23	4	5	22	17	89.0	11.93	4.25	1.01	.301	70.3%	42.7%	13.7%	3.94		4.12	3.70
2025	BOS	A+	24	1	0	4	3	17.0	14.29	1.59	0.53	.323	95.6%	44.0%	11.1%	1.06		1.69	1.49
2025	BOS	AA	24	7	2	18	18	84.2	10.20	5.10	0.64	.233	81.4%	40.9%	8.6%	2.44		3.79	3.83
2025	BOS	MiLB	24	8	2	22	21	101.2	10.89	4.51	0.62	.246	83.2%	41.3%	8.9%	2.21		3.44	3.44
2026	Steamer	PROJ	25	0	0	0	0	1.0	7.66	4.34	1.23	.301	71.1%	42.8%		4.77		4.81	4.74	0.0
2026	ZiPS	PROJ	25	4	5	21	19	85.7	8.19	4.62	1.16	.290	68.7%			4.83		4.77		0.5
2026	OOPSY	PROJ	25	0	0	1	1	4.3	7.87	4.38	1.13	.300	67.0%			4.79		4.64		0.0
2026	BOS	AA	25	3	5	22	20	92.2	12.82	4.76	0.58	.299	65.7%	40.4%	9.5%	3.98		3.50	3.93
2026	BOS	AAA	25	0	0	1	1	3.0	9.00	12.00	3.00	.429	100.0%	25.0%	25.0%	3.00	10.20	9.82	7.91
2026	BOS	MiLB	25	3	5	23	21	95.2	12.70	4.99	0.66	.304	67.9%	39.8%	10.4%	3.95	10.20	3.70	4.06

Preseason ProjectionsMinor LeaguesCollege

Season	Team	Level	W	L	ERA	G	GS	QS	CG	ShO	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	HBP	WP	BK	SO
2021	AUB	NCAA	2	0	2.38	7	0		0	0			11.1	50	10	4	3	0	4		1	3	0	19
2022	AUB	NCAA	2	1	3.63	11	8		0	0			34.2	159	23	16	14	4	25		9	3	0	43
2023	BOS	CPX	0	1	3.38	2	2		0	0	0	0	2.2	11	0	1	1	0	2	0	0	2	0	7
2023	BOS	A	0	1	7.36	2	2		0	0	0	0	3.2	16	1	3	3	0	3	0	1	0	2	8
2023	BOS	MiLB	0	2	5.68	4	4		0	0	0	0	6.1	27	1	4	4	0	5	0	1	2	2	15
2024	BOS	A+	4	5	3.94	22	17		0	0	1	0	89.0	389	73	47	39	10	42	0	10	9	0	118
2025	BOS	A+	1	0	1.06	4	3		0	0	0	0	17.0	63	11	2	2	1	3	0	1	0	0	27
2025	BOS	AA	7	2	2.44	18	18		0	0	0	0	84.2	347	51	26	23	6	48	0	4	3	0	96
2025	BOS	MiLB	8	2	2.21	22	21		0	0	0	0	101.2	410	62	28	25	7	51	0	5	3	0	123
2026	Steamer	PROJ	0	0	4.77	0	0	0	0	0	0		1.0	4	1	1	1	0	0	0	0			1
2026	ZiPS	PROJ	4	5	4.83	21	19				0		85.7	385	82	50	46	11	44	0	7	6	1	78
2026	OOPSY	PROJ	0	0	4.79	1	1	0			0		4.3	18	4	3	2	1	2	0	0			4
2026	BOS	AA	3	5	3.98	22	20		0	0	0	0	92.2	394	65	48	41	6	49	0	10	8	1	132
2026	BOS	AAA	0	0	3.00	1	1		0	0	0	0	3.0	15	4	1	1	1	4	0	0	0	0	3
2026	BOS	MiLB	3	5	3.95	23	21		0	0	0	0	95.2	409	69	49	42	7	53	0	10	8	1	135

Season	Team	Level	W	L	ERA	G	GS	QS	CG	ShO	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	HBP	WP	BK	SO
2021	AUB	NCAA	2	0	2.38	7	0		0	0			11.1	50	10	4	3	0	4		1	3	0	19
2022	AUB	NCAA	2	1	3.63	11	8		0	0			34.2	159	23	16	14	4	25		9	3	0	43
2023	BOS	CPX	0	1	3.38	2	2		0	0	0	0	2.2	11	0	1	1	0	2	0	0	2	0	7
2023	BOS	A	0	1	7.36	2	2		0	0	0	0	3.2	16	1	3	3	0	3	0	1	0	2	8
2023	BOS	MiLB	0	2	5.68	4	4		0	0	0	0	6.1	27	1	4	4	0	5	0	1	2	2	15
2024	BOS	A+	4	5	3.94	22	17		0	0	1	0	89.0	389	73	47	39	10	42	0	10	9	0	118
2025	BOS	A+	1	0	1.06	4	3		0	0	0	0	17.0	63	11	2	2	1	3	0	1	0	0	27
2025	BOS	AA	7	2	2.44	18	18		0	0	0	0	84.2	347	51	26	23	6	48	0	4	3	0	96
2025	BOS	MiLB	8	2	2.21	22	21		0	0	0	0	101.2	410	62	28	25	7	51	0	5	3	0	123
2026	Steamer	PROJ	0	0	4.77	0	0	0	0	0	0		1.0	4	1	1	1	0	0	0	0			1
2026	ZiPS	PROJ	4	5	4.83	21	19				0		85.7	385	82	50	46	11	44	0	7	6	1	78
2026	OOPSY	PROJ	0	0	4.79	1	1	0			0		4.3	18	4	3	2	1	2	0	0			4
2026	BOS	AA	3	5	3.98	22	20		0	0	0	0	92.2	394	65	48	41	6	49	0	10	8	1	132
2026	BOS	AAA	0	0	3.00	1	1		0	0	0	0	3.0	15	4	1	1	1	4	0	0	0	0	3
2026	BOS	MiLB	3	5	3.95	23	21		0	0	0	0	95.2	409	69	49	42	7	53	0	10	8	1	135

Preseason ProjectionsMinor LeaguesAveragesCollege

Season	Team	Level	K/9	BB/9	K/BB	HR/9	K%	BB%	K-BB%	AVG	WHIP	BABIP	LOB%	ERA-	FIP-	FIP
2021	AUB	NCAA	15.09	3.18	4.75	0.00	38.0%	8.0%	30.0%	.222	1.24	.385	73.3%	54	36	1.60
2022	AUB	NCAA	11.16	6.49	1.72	1.04	27.0%	15.7%	11.3%	.184	1.38	.244	79.8%	79	119	5.46
2023	BOS	CPX	23.63	6.75	3.50	0.00	63.6%	18.2%	45.5%	.000	0.75	.000	50.0%	62	18	0.95
2023	BOS	A	19.64	7.36	2.67	0.00	50.0%	18.8%	31.3%	.083	1.09	.250	40.0%	169	63	2.61
2023	BOS	MiLB	21.32	7.11	3.00	0.00	55.6%	18.5%	37.0%	.048	0.95	.167	42.9%	124	44	1.91
2024	BOS	A+	11.93	4.25	2.81	1.01	30.3%	10.8%	19.5%	.217	1.29	.301	70.3%	94	100	4.12
2025	BOS	A+	14.29	1.59	9.00	0.53	42.9%	4.8%	38.1%	.186	0.82	.323	95.6%	26	43	1.69
2025	BOS	AA	10.20	5.10	2.00	0.64	27.7%	13.8%	13.8%	.173	1.17	.233	81.4%	62	99	3.79
2025	BOS	MiLB	10.89	4.51	2.41	0.62	30.0%	12.4%	17.6%	.175	1.11	.246	83.2%	56	89	3.44
2026	Steamer	PROJ	7.66	4.34	1.77	1.23	19.2%	10.8%	8.3%	.260	1.50	.301	71.1%			4.81
2026	ZiPS	PROJ	8.19	4.62	1.77	1.16	20.3%	11.4%	8.8%	.246	1.47	.290	68.7%			4.77
2026	OOPSY	PROJ	7.87	4.38	1.79	1.13	20.9%	11.7%	9.3%	.252	1.40	.300	67.0%			4.64
2026	BOS	AA	12.82	4.76	2.69	0.58	33.5%	12.4%	21.1%	.194	1.23	.299	65.7%	82	74	3.50
2026	BOS	AAA	9.00	12.00	0.75	3.00	20.0%	26.7%	-6.7%	.364	2.67	.429	100.0%	62	204	9.82
2026	BOS	MiLB	12.70	4.99	2.55	0.66	33.0%	13.0%	20.0%	.199	1.28	.304	67.9%	82	78	3.70

Season	Team	Level	K/9	BB/9	K/BB	HR/9	K%	BB%	K-BB%	AVG	WHIP	BABIP	LOB%	ERA-	FIP-	FIP
2021	AUB	NCAA	15.09	3.18	4.75	0.00	38.0%	8.0%	30.0%	.222	1.24	.385	73.3%	54	36	1.60
2022	AUB	NCAA	11.16	6.49	1.72	1.04	27.0%	15.7%	11.3%	.184	1.38	.244	79.8%	79	119	5.46
2023	BOS	CPX	23.63	6.75	3.50	0.00	63.6%	18.2%	45.5%	.000	0.75	.000	50.0%	62	18	0.95
2023	BOS	A	19.64	7.36	2.67	0.00	50.0%	18.8%	31.3%	.083	1.09	.250	40.0%	169	63	2.61
2023	BOS	MiLB	21.32	7.11	3.00	0.00	55.6%	18.5%	37.0%	.048	0.95	.167	42.9%	124	44	1.91
2024	BOS	A+	11.93	4.25	2.81	1.01	30.3%	10.8%	19.5%	.217	1.29	.301	70.3%	94	100	4.12
2025	BOS	A+	14.29	1.59	9.00	0.53	42.9%	4.8%	38.1%	.186	0.82	.323	95.6%	26	43	1.69
2025	BOS	AA	10.20	5.10	2.00	0.64	27.7%	13.8%	13.8%	.173	1.17	.233	81.4%	62	99	3.79
2025	BOS	MiLB	10.89	4.51	2.41	0.62	30.0%	12.4%	17.6%	.175	1.11	.246	83.2%	56	89	3.44
2026	Steamer	PROJ	7.66	4.34	1.77	1.23	19.2%	10.8%	8.3%	.260	1.50	.301	71.1%			4.81
2026	ZiPS	PROJ	8.19	4.62	1.77	1.16	20.3%	11.4%	8.8%	.246	1.47	.290	68.7%			4.77
2026	OOPSY	PROJ	7.87	4.38	1.79	1.13	20.9%	11.7%	9.3%	.252	1.40	.300	67.0%			4.64
2026	BOS	AA	12.82	4.76	2.69	0.58	33.5%	12.4%	21.1%	.194	1.23	.299	65.7%	82	74	3.50
2026	BOS	AAA	9.00	12.00	0.75	3.00	20.0%	26.7%	-6.7%	.364	2.67	.429	100.0%	62	204	9.82
2026	BOS	MiLB	12.70	4.99	2.55	0.66	33.0%	13.0%	20.0%	.199	1.28	.304	67.9%	82	78	3.70

Preseason ProjectionsMinor LeaguesCollege

Season	Team	Level	Events	EV	maxEV	LA	Barrels	Barrel%	HardHit	HardHit%	divider	ERA	xERA
2026	BOS	AAA	8	91.1	103.7	20.6	1	12.5%	2	25.0%		3.00	10.20

Season	Team	Level	Events	EV	maxEV	LA	Barrels	Barrel%	HardHit	HardHit%	divider	ERA	xERA
2026	BOS	AAA	8	91.1	103.7	20.6	1	12.5%	2	25.0%		3.00	10.20

Preseason ProjectionsMinor LeaguesCollege

Season	Team	Level	Age	W	L	G	GS	IP	H	R	ER	HR	BB	SO	K/9	BB/9	K/BB	HR/9	AVG	WHIP	BABIP	LOB%	ERA	FIP	WAR
2026	ZiPS	PROJ	25	4	5	21	19	85.7	82	50	46	11	44	78	8.19	4.62	1.77	1.16	.246	1.47	.290	68.7%	4.83	4.77	0.5
2027	ZiPS	PROJ	26	5	5	22	20	92.0	86	50	47	11	44	83	8.12	4.30	1.89	1.08	.242	1.41	.286	69.8%	4.60	4.58	0.8
2028	ZiPS	PROJ	27	5	5	23	21	98.0	91	51	48	11	46	88	8.08	4.22	1.91	1.01	.241	1.40	.287	70.7%	4.41	4.45	0.9

Season	Team	Level	Age	W	L	G	GS	IP	H	R	ER	HR	BB	SO	K/9	BB/9	K/BB	HR/9	AVG	WHIP	BABIP	LOB%	ERA	FIP	WAR
2026	ZiPS	PROJ	25	4	5	21	19	85.7	82	50	46	11	44	78	8.19	4.62	1.77	1.16	.246	1.47	.290	68.7%	4.83	4.77	0.5
2027	ZiPS	PROJ	26	5	5	22	20	92.0	86	50	47	11	44	83	8.12	4.30	1.89	1.08	.242	1.41	.286	69.8%	4.60	4.58	0.8
2028	ZiPS	PROJ	27	5	5	23	21	98.0	91	51	48	11	46	88	8.08	4.22	1.91	1.01	.241	1.40	.287	70.7%	4.41	4.45	0.9

Preseason ProjectionsMinor LeaguesCollege

Season	Team	Level	GB/FB	LD%	GB%	FB%	IFFB%	HR/FB	Pull%	Cent%	Oppo%	xFIP-	xFIP
2023	BOS	CPX	0.00	0.0%	0.0%	100.0%	0.0%	0.0%	100.0%	0.0%	0.0%	26	1.33
2023	BOS	A	1.00	33.3%	33.3%	33.3%	100.0%	0.0%	25.0%	0.0%	75.0%	70	2.89
2023	BOS	MiLB	0.50	25.0%	25.0%	50.0%	50.0%	0.0%	50.0%	0.0%	50.0%	51	2.24
2024	BOS	A+	1.23	22.7%	42.7%	34.6%	19.2%	13.7%	44.2%	24.4%	31.3%	91	3.70
2025	BOS	A+	1.22	20.0%	44.0%	36.0%	22.2%	11.1%	46.2%	26.9%	26.9%	38	1.49
2025	BOS	AA	1.13	22.8%	40.9%	36.3%	12.9%	8.6%	48.0%	19.5%	32.5%	99	3.83
2025	BOS	MiLB	1.14	22.5%	41.3%	36.2%	13.9%	8.9%	47.8%	20.4%	31.9%	89	3.44
2026	Steamer	PROJ		20.4%	42.8%	36.8%							4.74
2026	BOS	AA	1.24	26.9%	40.4%	32.6%	19.0%	9.5%	48.8%	21.0%	30.2%	83	3.93
2026	BOS	AAA	0.50	25.0%	25.0%	50.0%	0.0%	25.0%	37.5%	37.5%	25.0%	164	7.91
2026	BOS	MiLB	1.19	26.9%	39.8%	33.3%	17.9%	10.4%	48.4%	21.6%	30.0%	86	4.06

Season	Team	Level	GB/FB	LD%	GB%	FB%	IFFB%	HR/FB	Pull%	Cent%	Oppo%	xFIP-	xFIP
2023	BOS	CPX	0.00	0.0%	0.0%	100.0%	0.0%	0.0%	100.0%	0.0%	0.0%	26	1.33
2023	BOS	A	1.00	33.3%	33.3%	33.3%	100.0%	0.0%	25.0%	0.0%	75.0%	70	2.89
2023	BOS	MiLB	0.50	25.0%	25.0%	50.0%	50.0%	0.0%	50.0%	0.0%	50.0%	51	2.24
2024	BOS	A+	1.23	22.7%	42.7%	34.6%	19.2%	13.7%	44.2%	24.4%	31.3%	91	3.70
2025	BOS	A+	1.22	20.0%	44.0%	36.0%	22.2%	11.1%	46.2%	26.9%	26.9%	38	1.49
2025	BOS	AA	1.13	22.8%	40.9%	36.3%	12.9%	8.6%	48.0%	19.5%	32.5%	99	3.83
2025	BOS	MiLB	1.14	22.5%	41.3%	36.2%	13.9%	8.9%	47.8%	20.4%	31.9%	89	3.44
2026	Steamer	PROJ		20.4%	42.8%	36.8%							4.74
2026	BOS	AA	1.24	26.9%	40.4%	32.6%	19.0%	9.5%	48.8%	21.0%	30.2%	83	3.93
2026	BOS	AAA	0.50	25.0%	25.0%	50.0%	0.0%	25.0%	37.5%	37.5%	25.0%	164	7.91
2026	BOS	MiLB	1.19	26.9%	39.8%	33.3%	17.9%	10.4%	48.4%	21.6%	30.0%	86	4.06

Preseason ProjectionsMinor LeaguesCollege

Season	Team	Level	GB	FB	LD	IFFB	Balls	Strikes	Pitches	EV	LA	Barrels	Barrel%
2023	BOS	CPX	0	1	0	0	10	24	34
2023	BOS	A	1	1	1	1	35	40	75
2023	BOS	MiLB	1	2	1	1	45	64	109
2024	BOS	A+	90	73	48	14	576	923	1499
2025	BOS	A+	11	9	5	2	83	148	231
2025	BOS	AA	79	70	44	9	549	814	1363
2025	BOS	MiLB	90	79	49	11	632	962	1594
2026	Steamer	PROJ	1	1	1
2026	BOS	AA	78	63	52	12	608	942	1550
2026	BOS	AAA	2	4	2	0	33	38	71	91.1	20.6	1	12.5%
2026	BOS	MiLB	80	67	54	12	641	980	1621	91.1	20.6	1	12.5%

Season	Team	Level	GB	FB	LD	IFFB	Balls	Strikes	Pitches	EV	LA	Barrels	Barrel%
2023	BOS	CPX	0	1	0	0	10	24	34
2023	BOS	A	1	1	1	1	35	40	75
2023	BOS	MiLB	1	2	1	1	45	64	109
2024	BOS	A+	90	73	48	14	576	923	1499
2025	BOS	A+	11	9	5	2	83	148	231
2025	BOS	AA	79	70	44	9	549	814	1363
2025	BOS	MiLB	90	79	49	11	632	962	1594
2026	Steamer	PROJ	1	1	1
2026	BOS	AA	78	63	52	12	608	942	1550
2026	BOS	AAA	2	4	2	0	33	38	71	91.1	20.6	1	12.5%
2026	BOS	MiLB	80	67	54	12	641	980	1621	91.1	20.6	1	12.5%

Preseason ProjectionsMinor LeaguesCollege

Season	Team	Level	divider	FA%	vFA	divider	divider	divider	divider	divider	SI%	vSI	divider	SL%	vSL	divider	CU%	vCU	divider	divider	divider	CH%	vCH	divider	divider	divider
2026	BOS	AAA		12.7%	91.4						31.0%	91.5		46.5%	81.1		5.6%	77.1				4.2%	85.7
2026	BOS	MiLB		12.7%	91.4						31.0%	91.5		46.5%	81.1		5.6%	77.1				4.2%	85.7

Season	Team	Level	divider	FA%	vFA	divider	divider	divider	divider	divider	SI%	vSI	divider	SL%	vSL	divider	CU%	vCU	divider	divider	divider	CH%	vCH	divider	divider	divider
2026	BOS	AAA		12.7%	91.4						31.0%	91.5		46.5%	81.1		5.6%	77.1				4.2%	85.7
2026	BOS	MiLB		12.7%	91.4						31.0%	91.5		46.5%	81.1		5.6%	77.1				4.2%	85.7

MLB F-Strike%, SwStr%, CStr%, CSW% are from the Sports Info Solution data source.
All MiLB and Pace data are from Statcast.

Preseason ProjectionsMinor LeaguesAveragesCollege

Season	Team	Level	O-Swing%	Z-Swing%	Swing%	O-Contact%	Z-Contact%	Contact%	Zone%	F-Strike%	SwStr%	CStr%	CSW%	Pace
2023	BOS	CPX			44.1%			13.3%		63.6%	38.2%	26.5%	64.7%
2023	BOS	A			42.7%			56.3%		43.8%	18.7%	10.7%	29.3%
2023	BOS	MiLB			43.1%			42.6%		51.9%	24.8%	15.6%	40.4%
2024	BOS	A+			44.1%			65.8%		50.6%	15.1%	17.4%	32.5%
2025	BOS	A+			51.1%			67.8%		46.0%	16.5%	12.6%	29.0%
2025	BOS	AA			43.7%			70.3%		45.0%	13.0%	15.7%	28.7%
2025	BOS	MiLB			44.8%			69.9%		45.1%	13.5%	15.2%	28.7%
2026	BOS	AA			42.3%			64.9%		51.8%	14.8%	18.1%	33.0%
2026	BOS	AAA	28.6%	62.1%	42.3%	50.0%	94.4%	76.7%	40.8%	40.0%	9.9%	11.3%	21.1%	19.4
2026	BOS	MiLB	28.6%	62.1%	42.3%	50.0%	94.4%	65.5%	40.8%	51.3%	14.6%	17.8%	32.4%	19.4

Season	Team	Level	O-Swing%	Z-Swing%	Swing%	O-Contact%	Z-Contact%	Contact%	Zone%	F-Strike%	SwStr%	CStr%	CSW%	Pace
2023	BOS	CPX			44.1%			13.3%		63.6%	38.2%	26.5%	64.7%
2023	BOS	A			42.7%			56.3%		43.8%	18.7%	10.7%	29.3%
2023	BOS	MiLB			43.1%			42.6%		51.9%	24.8%	15.6%	40.4%
2024	BOS	A+			44.1%			65.8%		50.6%	15.1%	17.4%	32.5%
2025	BOS	A+			51.1%			67.8%		46.0%	16.5%	12.6%	29.0%
2025	BOS	AA			43.7%			70.3%		45.0%	13.0%	15.7%	28.7%
2025	BOS	MiLB			44.8%			69.9%		45.1%	13.5%	15.2%	28.7%
2026	BOS	AA			42.3%			64.9%		51.8%	14.8%	18.1%	33.0%
2026	BOS	AAA	28.6%	62.1%	42.3%	50.0%	94.4%	76.7%	40.8%	40.0%	9.9%	11.3%	21.1%	19.4
2026	BOS	MiLB	28.6%	62.1%	42.3%	50.0%	94.4%	65.5%	40.8%	51.3%	14.6%	17.8%	32.4%	19.4

Preseason ProjectionsMinor LeaguesCollege

Season	Team	Level	Pos	G	GS	Inn	PO	A	E	DP
2023	BOS	CPX	P	2	2	2.2	0	0	0	0
2023	BOS	A	P	2	2	3.2	0	0	0	0
2024	BOS	A+	P	22	17	89.0	3	6	1	0
2025	BOS	A+	P	4	3	17.0	1	3	0	0
2025	BOS	AA	P	18	18	84.2	2	6	0	1
2026	BOS	AA	P	22	20	92.2	3	6	0	0
2026	BOS	AAA	P	1	1	3.0	0	0	0	0

Season	Team	Level	Pos	G	GS	Inn	PO	A	E	DP
2023	BOS	CPX	P	2	2	2.2	0	0	0	0
2023	BOS	A	P	2	2	3.2	0	0	0	0
2024	BOS	A+	P	22	17	89.0	3	6	1	0
2025	BOS	A+	P	4	3	17.0	1	3	0	0
2025	BOS	AA	P	18	18	84.2	2	6	0	1
2026	BOS	AA	P	22	20	92.2	3	6	0	0
2026	BOS	AAA	P	1	1	3.0	0	0	0	0

Hayden Mullins

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Pitch Type & Velo - Statcast

Plate Discipline - Statcast

Fielding

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