P
Position
#61
Number
31 years
Feb 6, 1995
6'4"
Height
180 lbs
Weight
4 years
Experience
2026 Regular Season
3-1
Record
1.26
ERA
16
SO
1
BB
0.77
WHIP
14.1
IP
14
G
0
GS
7
SV
10
K/9
Career Regular Season
6-3
Record
3.10
ERA
75
SO
35
BB
1.29
WHIP
72.2
IP
66
G
1
GS
13
SV
9.3
K/9
Latest Performance
Illustrated silhouette of a player wearing the St. Louis Cardinals uniform

Riley O'Brien

L
W/L
1
SO
0
GS
-
CG/SV
0
SHO
1.0
IP
4
H
2
ER
2
R
0
HR
1
BB
1
HBP
-
Game Score
Games
  1. Next

    vs

    Seattle Mariners

    SEA

    CAREER

    vs SEA

    Record

    0-1

    ERA

    3.60

    SO

    5

    BB

    5

  2. W 5-3

    IP

    1.0

    ER

    0

    SO

    1

    BB

    0

  3. W 7-5

    IP

    1.1

    ER

    0

    SO

    2

    BB

    0

  4. W 7-5

    IP

    0.2

    ER

    0

    SO

    1

    BB

    0

  5. W 5-3

    IP

    1.0

    ER

    0

    SO

    2

    BB

    0

Summary

Riley O'Brien has played 5 seasons for the Cardinals, Mariners and Reds. He has 6 wins, 3 losses, 13 saves, an ERA of 3.10 and 75 strikeouts.

More Cardinals Stats

Team Batting Leaders

HR

8

Walker

Jordan Walker

RBI

17

Burleson

Alec Burleson

AVG

.278

Winn

Masyn Winn
Team Pitching Leaders

W

3

O'Brien

Riley O'Brien

K

20

Pallante

Andre Pallante

ERA

1.26

Graceffo

Gordon Graceffo
Team Rankings

HR

32

10th

R

123

13th

SO

170

30th

ERA

4.94

27th

2026 Division Standings
TEAMWLPCTGB
18
9
.667
17
10
.630
1.0
16
11
.593
2.0
Cardinals Cardinals
14
12
.538
3.5
13
13
.500
4.5
Schedule
DATEMATCHUPTIME (ET)
Sun
4/26
@
2:15 PM
Mon
4/27
@
6:40 PM
Tue
4/28
@
6:40 PM
Wed
4/29
@
6:40 PM
Thu
4/30
@
12:35 PM
Last Game
SEA Mariners

13 - 15

11

Final

9

STL Cardinals

14 - 12

Sat 25 Apr 2026

MLB 2026 Batting Leaders

MLB 2026 Pitching Leaders

MLB Fantasy 2026

MLB 2026 Betting

MLB 2026 Standings

NL EastWLPCTGB
19
9
.679
13
14
.481
5.5
12
16
.429
7.0
9
17
.346
9.0
9
18
.333
9.5
NL CentralWLPCTGB
18
9
.667
17
10
.630
1.0
16
11
.593
2.0
14
12
.538
3.5
13
13
.500
4.5
NL WestWLPCTGB
18
8
.692
18
9
.667
0.5
14
12
.538
4.0
12
15
.444
6.5
11
16
.407
7.5
AL EastWLPCTGB
18
9
.667
15
11
.577
2.5
13
14
.481
5.0
11
15
.423
6.5
10
17
.370
8.0
AL CentralWLPCTGB
15
13
.536
14
14
.500
1.0
12
15
.444
2.5
11
16
.407
3.5
10
17
.370
4.5
AL WestWLPCTGB
14
13
.519
14
13
.519
13
15
.464
1.5
12
16
.429
2.5
10
18
.357
4.5

MLB 2026 Scores & Schedule

Scores

DATEMATCHUPSCORE
Sat
4/11
@
3-4
Sat
4/11
@
1-6
Sat
4/11
@
4-3
Sat
4/11
@
7-4
Sat
4/11
@
0-2

Schedule

DATEMATCHUPTIME (ET)
Sun
4/26
@
1:35 PM
Sun
4/26
@
1:35 PM
Sun
4/26
@
1:37 PM
Sun
4/26
@
1:40 PM
Sun
4/26
@
1:40 PM