Riley O'Brien

STL Cardinals • #55 • Reliever

Active
Position Reliever
HT/WT Height/Weight 6'4" 180 lbs
Age 30
Draft 2017 - Round 8 (4 overall) by 106

Riley O'Brien Player Props and Stats

No Props Available

Last 10 | Season

Date Opp Score S/R IP SO Outs RES H BB ER R HR PIT P/IP G/F
Jul 13 vs ATL W 5 - 4 R 1.2 2 5 H 1 1 0 0 0 27 16.2 1.00
Jul 11 vs ATL L 6 - 5 R 2.0 4 6 ND 2 1 0 0 0 38 19.0 1.00
Jul 6 @ CHC L 11 - 0 R 2.0 3 6 ND 2 0 0 0 0 39 19.5 0.50
Jul 2 @ PIT L 5 - 0 R 0.2 1 2 ND 2 1 1 1 0 20 30.0 0.00
Jun 29 @ CLE W 7 - 0 R 1.0 3 3 ND 0 2 0 0 0 26 26.0 0.00
Jun 26 vs CHC L 3 - 0 R 1.0 1 3 ND 0 1 0 0 0 16 16.0 0.00
Jun 23 vs CHC W 8 - 2 R 1.0 0 3 ND 1 0 0 0 0 19 19.0 1.00
Jun 20 vs CIN W 6 - 1 R 0.2 2 2 ND 0 1 0 0 0 13 19.5 0.00
Jun 19 @ CHW W 8 - 6 F/10 R 1.0 1 3 ND 0 0 0 0 0 14 14.0 0.00
Jun 17 @ CHW W 12 - 2 R 2.0 1 6 ND 1 0 0 0 0 25 12.5 1.00
Last 10 Avg 1.0 1.8 3.9 0.9 0.7 0.1 0.1 0.0 23.7 19.2 0.45

Riley O'Brien's Pitching Statistics for Regular Season

Season Team G GS W L SV BS ERA CG SHO IP H R ER BB SO HR WP
2025 STL 17 0 0 0 0 0 2.01 0 0 22.3 18 5 5 10 23 2 3
2024 STL 8 0 0 0 0 1 11.25 0 0 8.0 13 10 10 8 11 2 1
2022 SEA 1 0 0 0 0 0 0.00 0 0 1.0 1 0 0 1 1 0 0
2021 CIN 1 1 0 1 0 0 13.50 0 0 1.3 2 2 2 3 2 2 0

Riley O'Brien's Pitching Statistics for Post Season

Season Team G GS W L SV BS ERA CG SHO IP H R ER BB SO HR WP

Pitching Splits

Overall Last 3 Away Home Day Night
W-L 0-0 0-0 0-0 0-0 0-0 0-0
ERA 2.01 1.93 3.60 0.84 0.00 2.18
IP 22.3 4.7 10.0 10.7 0.0 20.7
HITS 18 6 8 9 0 17
RUNS 5 1 4 1 0 5
ER 5 1 4 1 0 5
SO 23 8 12 9 0 21
BB 10 2 5 4 0 9
HR 2 0 1 1 0 2
OBP .330 .391 .349 .317 .000 .333
WHIP 1.25 1.71 1.30 1.22 0.00 1.26
GB:FB 2.62 1.00 2.00 5.00 0.00 2.86
SB 0 0 0 0 0 0
CS 1 0 0 1 0 1
SB% 0.00 0.00 0.00 0.00 0.00 0.00
QS% 0.00 0.00 0.00 0.00 0.00 0.00
Riley O'Brien

Riley O'Brien #55

2025 • St. Louis
Position Reliever
Height 6'4"
Weight 180
Birthdate Feb 6, 1995
Birthplace Seattle, WA, USA
School Shorewood (WA)
Draft 2017 - Round 8 (4 overall) by 106


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