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 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
Jun 13 @ MIL L 3 - 2 R 1.0 1 3 ND 0 0 0 0 0 17 17.0 1.00
Jun 11 vs TOR L 5 - 2 R 2.0 1 6 ND 2 1 0 0 0 26 13.0 0.00
Jun 9 vs TOR L 5 - 4 F/10 R 2.0 0 6 ND 3 0 1 1 1 22 11.0 0.00
Last 10 Avg 1.0 1.1 3.7 0.9 0.6 0.2 0.2 0.1 19.8 17.8 0.30

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 15 0 0 0 0 0 2.41 0 0 18.7 15 5 5 8 17 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 2.41 0.00 0.00 0.00 0.00 0.00
IP 18.7 0.0 0.0 0.0 0.0 0.0
HITS 15 0 0 0 0 0
RUNS 5 0 0 0 0 0
ER 5 0 0 0 0 0
SO 17 0 0 0 0 0
BB 8 0 0 0 0 0
HR 2 0 0 0 0 0
OBP .333 .000 .000 .000 .000 .000
WHIP 1.23 0.00 0.00 0.00 0.00 0.00
GB:FB 3.17 0.00 0.00 0.00 0.00 0.00
SB 0 0 0 0 0 0
CS 1 0 0 0 0 0
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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