Advanced Bullpen Data + Usage Tracking

Zack Kelly
Throws: R
Primary Role(s): Reliever
Age: 30

Boston
Team Record: 40 - 42
Head Coach: Alex Cora
Pitching Coach: Andrew Bailey

Pitcher Snapshot
Pitcher Impact Rating: 
64.1
IP (last 7 gm): 
3.2
ERA (last 7 gm): 
2.46
Team BP Power Rank: 
#28

Cumulative Stats

Season	G	ERA	IP	PA	P/pa	SO/pa	BB/pa	HR/pa	SB/pa	G/AO	AVG	OBP	xWOBA	OPS
2025	16	5.40	21.20	96	3.67	25.0%	8.3%	2.1%	1%	1	0.265	0.340	0.299	0.762
2025 SpringTr	7	2.35	7.20	27	3.74	29.6%	3.7%	0.0%	1%	1.33	0.154	0.185	-	0.377
2025: Home	6	10.80	6.20	37	3.41	10.8%	16.2%	0.0%	0%	1	0.333	0.486	-	0.893
2025: Away	10	3.00	15.00	59	3.83	33.9%	3.4%	3.4%	1%	1	0.232	0.254	-	0.683
2025: Vs L	16	-	9.20	43	3.63	18.6%	11.6%	0.0%	%	0.91	0.229	0.333	-	0.676
2025: Vs R	16	-	12.00	53	3.81	30.2%	5.7%	3.8%	%	1.11	0.292	0.346	-	0.825

2025 Pitch Arsenal

Game Logs

Game Date	Opponent	IP	PA	R	H	2B	HR	BB	SO	SB	NP-S	AVG
2025-06-25	@ Angels	1.20 6	7	0	2	1	0	0	4	0	31-21	0.27
2025-06-22	@ Giants	1.10 7	7	1	3	0	1	0	0	0	23-17	0.26
2025-06-20	@ Giants	0.20 6	3	0	0	0	0	1	2	0	14-8	0.25
2025-06-17	@ Mariners	1.20 4	5	0	0	0	0	0	2	1	16-11	0.25
2025-06-09	vs Rays	1.00 11	7	2	1	0	0	3	1	0	23-12	0.27
2025-06-08	@ Yankees	0.10 8	3	0	2	1	0	0	0	0	9-4	0.27
2025-06-06	@ Yankees	2.00 3	7	0	1	1	0	0	4	0	35-23	0.25

Advanced Stats

Advanced Stats will be released after the All-Star break

Last 7 Days

Player	IP	NP-S	ERA	Jun-25	Jun-24	Jun-23	Jun-22	Jun-21	Jun-20
Zack Kelly	3.2	68-46	2.46	1.2 6 31-21			1.1 7 23-17		0.2 6 14-8
Justin Wilson	1.1	33-23	6.77		0.1 10 7-5		0.0 7 12-9		1.0 6 14-9
Aroldis Chapman	2.0	34-24	0.00		1.0 9 20-14				1.0 9 14-10
Brennan Bernardino	1.2	24-18	5.42	0.2 5 11-8					1.0 5 13-10
Jorge Alcala	2.1	38-25	0.00	1.0 8 18-9		0.1 8 10-7		1.0 7 10-9
Greg Weissert	2.0	33-22	6.00		1.0 8 17-12		0.2 7 12-7		0.1 7 4-3
Garrett Whitlock	2.2	76-47	9.84			1.2 7 42-27			1.0 8 34-20
Kutter Crawford	0	0-0	9.00
Garrett Crochet	0	0-0	0.00
Richard Fitts	0	0-0	7.20
Hunter Dobbins	0	0-0	5.59
Luis Guerrero	3.2	61-32	4.92	0.2 5 26-11		2.0 5 25-14		1.0 8 10-7