Advanced Bullpen Data + Usage Tracking

Riley O'Brien
Throws: R
Primary Role(s): Reliever
Age: 30

St. Louis
Team Record: 44 - 38
Head Coach: Oliver Marmol
Pitching Coach: Dusty Blake

Pitcher Snapshot
Pitcher Impact Rating: 
67.1
IP (last 7 gm): 
2.2
ERA (last 7 gm): 
0.00
Team BP Power Rank: 
#14

Cumulative Stats

Season	G	ERA	IP	PA	P/pa	SO/pa	BB/pa	HR/pa	SB/pa	G/AO	AVG	OBP	xWOBA	OPS
2025	12	2.40	15.00	56	4.02	17.9%	8.9%	3.6%	0%	1.42	0.220	0.304	0.325	0.644
2025 SpringTr	3	0.00	3.00	15	4.27	40.0%	13.3%	0.0%	0%	3	0.231	0.333	-	0.564
2025: Home	7	1.04	8.20	32	3.84	15.6%	9.4%	3.1%	0%	1.13	0.241	0.313	-	0.658
2025: Away	5	4.26	6.10	24	4.25	20.8%	8.3%	4.2%	0%	2	0.190	0.292	-	0.625
2025: Vs L	10	-	5.00	18	4.33	27.8%	11.1%	0.0%	%	1.67	0.133	0.278	-	0.411
2025: Vs R	12	-	10.00	38	3.95	13.2%	7.9%	5.3%	%	1.33	0.257	0.316	-	0.745

2025 Pitch Arsenal

Game Logs

Game Date	Opponent	IP	PA	H	BB	SO	CS	NP-S	AVG
2025-06-26	vs Cubs	1.00	4	0	1	1	0	16-7	0.22
2025-06-23	vs Cubs	1.00 8	4	1	0	0	0	19-12	0.23
2025-06-20	vs Reds	0.20 9	3	0	1	2	0	13-7	0.23
2025-06-19	@ White Sox	1.00 6	3	0	0	1	0	14-9	0.24
2025-06-17	@ White Sox	2.00 7	6	1	0	1	0	25-16	0.26
2025-06-13	@ Brewers	1.00 8	3	0	0	1	0	17-9	0.28
2025-06-11	vs Blue Jays	2.00 6	7	2	1	1	1	26-16	0.31

Advanced Stats

Advanced Stats will be released after the All-Star break

Last 7 Days

Player	IP	NP-S	ERA	Jun-26	Jun-25	Jun-24	Jun-23	Jun-22	Jun-21	Jun-20
Riley O'Brien	2.2	48-26	0.00	1.0 16-7			1.0 8 19-12			0.2 9 13-7
Steven Matz	3.0	58-35	15.00			1.1 5 19-11			1.2 6 39-24
Phil Maton	3.1	48-31	0.00			1.1 7 17-12			1.0 11 23-13	1.0 7 8-6
Ryan Helsley	2.0	31-19	0.00			1.0 9 17-11			1.0 10 14-8
John King	3.1	56-36	5.41		2.1 4 37-24				0.2 9 3-3	0.1 8 16-9
Zack Thompson	0	0-0	3.60
JoJo Romero	2.2	47-31	3.38	1.0 20-14		0.2 7 15-8				1.0 8 12-9
Matthew Liberatore	0	0-0	2.70
Andre Pallante	0	0-0	0.00
Kyle Leahy	4.0	47-32	2.25	2.0 26-17				2.0 6 21-15
Matt Svanson	2.0	35-25	0.00		2.0 7 35-25
Michael McGreevy	0	0-0	6.00