Major League Baseball
PLAYERS
Riley O'Brien
#55 - St. Louis Cardinals
Profile
Position Starter
Height 6'4"
Weight 180 lbs
Birthdate February 6, 1995
Birthplace Seattle, Washington
College Idaho
Bats Right
Throws Right
Key Statistics
IP 16.2
W/L 0-0
SV 0
ERA 2.70
K 14
BB 8
OBP .333
Errors 0
Last 10
Date vs Res Score IP H R ER K BB HR
7/2/25 @ PIT 0-5 0.2 2 1 1 1 1 0
6/29/25 @ CLE 7-0 1.0 0 0 0 3 2 0
6/26/25 CHC 0-3 1.0 0 0 0 1 1 0
6/23/25 CHC 8-2 1.0 1 0 0 0 0 0
6/20/25 CIN 6-1 0.2 0 0 0 2 1 0
6/19/25 @ CHW 8-6 1.0 0 0 0 1 0 0
6/17/25 @ CHW 12-2 2.0 1 0 0 1 0 0
6/13/25 @ MIL 2-3 1.0 0 0 0 1 0 0
6/11/25 TOR 2-5 2.0 2 0 0 1 1 0
6/9/25 TOR 4-5 2.0 3 1 1 0 0 1
Pitching Statistics
Year Team W L ERA IP H R ER BB K HR
2021 CIN 0 1 13.50 1.1 2 2 2 3 2 2
2022 SEA 0 0 .00 1.0 1 0 0 1 1 0
2024 STL 0 0 11.25 8.0 13 10 10 8 11 2
2025 STL 0 0 2.70 16.2 13 5 5 8 14 2
Pitching Splits
  Overall Last 3 Away Home Day Night
W/L
ERA
IP
Hits
Runs
ER
K
BB
HR		 0-0
2.70
16.2
13
5
5
14
8
2		 0-0
0.00
0.0
0
0
0
0
0
0		 0-0
4.50
8.0
6
4
4
9
5
1		 0-0
1.04
8.2
7
1
1
5
3
1		 0-0
3.86
9.1
6
4
4
10
6
1		 0-0
1.23
7.1
7
1
1
4
2
1
OBP
WHIP
GB:FB
SB
CS
SB %
QS %		 .333
1.26
4.50
0
1
0.0
0.0		 .000
0.00
0
0
0
0
0.0		 .353
1.38
3.00
0
0
0
0.0		 .312
1.15
9.00
0
1
0.0
0.0		 .333
1.29
0
0
1
0.0
0.0		 .333
1.23
1.75
0
0
0
0.0
TW/TL
AF
AA
Total
Over
Under		 7-7
4.50
3.86
8.36
7
7		 0-0
0.00
0.00
0.00
0
0		 3-4
4.43
4.00
8.43
3
4		 4-3
4.57
3.71
8.29
4
3		 4-4
3.75
4.75
8.50
4
4		 3-3
5.50
2.67
8.17
3
3
Season Injury Log
Date On Date Off Injury Status
No injuries to report.