Riley O'Brien

STL Cardinals • #55 • Reliever

Active
Position Reliever
HT/WT Height/Weight 6'4" 180 lbs
Age 30

Riley O'Brien Player Props and Stats

No Props Available

Riley O'Brien Game Logs

2025 Game Log
Date Opp Score M/L O/U S/R RES IP H R ER SO BB HR PIT P/IP G/F
Sep 13 @ MIL L 9 - 8 F/10 L 157 O 7.5 R ND 0.0 2 3 3 0 0 0 18 0.0 0.00
Sep 10 @ SEA L 4 - 2 F/13 L 183 U 7.5 R ND 2.0 2 1 0 2 1 0 31 15.5 0.00
Sep 7 vs SF W 4 - 3 W -130 U 8.0 R S 1.0 1 0 0 0 0 0 11 11.0 0.00
Sep 6 vs SF W 3 - 2 W 108 U 8.5 R W 1.0 0 0 0 1 0 0 8 8.0 0.00
Aug 28 vs PIT W 4 - 1 W -115 U 8.5 R H 1.0 0 0 0 0 0 0 13 13.0 1.00
Aug 25 vs PIT W 7 - 6 W -125 O 8.0 R W 1.2 1 1 1 1 0 0 21 12.6 0.00
Aug 19 @ MIA W 7 - 4 W 124 O 7.5 R S 1.0 0 0 0 2 2 0 18 18.0 0.00
Aug 17 vs NYY L 8 - 4 L 134 O 8.5 R BS 1.2 1 0 0 2 0 0 24 14.4 0.50
Aug 13 vs COL L 6 - 5 L -218 O 8.0 R H 1.0 2 0 0 0 0 0 10 10.0 0.00
Aug 10 vs CHC W 3 - 2 W 120 U 7.5 R H 0.2 0 0 0 1 1 0 13 19.5 0.00
Aug 8 vs CHC W 5 - 0 W 151 U 8.5 R ND 1.0 0 0 0 0 0 0 9 9.0 0.00
Aug 6 @ LAD W 5 - 3 W 184 U 9.5 R S 1.1 0 0 0 0 1 0 20 15.0 3.00
Aug 4 @ LAD W 3 - 2 W 153 U 8.0 R W 1.0 1 1 1 0 0 0 6 6.0 0.00
Jul 30 vs MIA L 2 - 0 L -124 U 8.5 R ND 1.1 0 0 0 1 0 0 12 9.0 0.00
Jul 26 vs SD L 3 - 1 L -133 U 9.0 R ND 1.0 0 0 0 1 0 0 15 15.0 0.00
Jul 24 vs SD W 9 - 7 W -145 O 7.5 R H 0.1 1 0 0 1 1 0 13 39.0 0.00
Jul 22 @ COL L 8 - 4 L -161 P 12.0 R ND 1.0 1 1 0 1 2 0 31 31.0 2.00
Jul 20 @ AZ L 5 - 3 L 125 U 9.0 R ND 1.0 0 0 0 2 0 0 17 17.0 0.00
Jul 13 vs ATL W 5 - 4 W -152 O 8.0 R H 1.2 1 0 0 2 1 0 27 16.2 1.00
Jul 11 vs ATL L 6 - 5 L -111 O 9.0 R ND 2.0 2 0 0 4 1 0 38 19.0 1.00
Jul 6 @ CHC L 11 - 0 L 204 O 7.0 R ND 2.0 2 0 0 3 0 0 39 19.5 0.50
Jul 2 @ PIT L 5 - 0 L -121 U 7.5 R ND 0.2 2 1 1 1 1 0 20 30.0 0.00
Jun 29 @ CLE W 7 - 0 W -105 U 8.0 R ND 1.0 0 0 0 3 2 0 26 26.0 0.00
Jun 26 vs CHC L 3 - 0 L 117 U 9.0 R ND 1.0 0 0 0 1 1 0 16 16.0 0.00
Jun 23 vs CHC W 8 - 2 W 108 O 9.0 R ND 1.0 1 0 0 0 0 0 19 19.0 1.00
Jun 20 vs CIN W 6 - 1 W -137 U 8.5 R ND 0.2 0 0 0 2 1 0 13 19.5 0.00
Jun 19 @ CHW W 8 - 6 F/10 W -161 O 9.0 R ND 1.0 0 0 0 1 0 0 14 14.0 0.00
Jun 17 @ CHW W 12 - 2 W -122 O 9.0 R ND 2.0 1 0 0 1 0 0 25 12.5 1.00
Jun 13 @ MIL L 3 - 2 L 144 U 7.5 R ND 1.0 0 0 0 1 0 0 17 17.0 1.00
Jun 11 vs TOR L 5 - 2 L -131 U 8.5 R ND 2.0 2 0 0 1 1 0 26 13.0 0.00
Jun 9 vs TOR L 5 - 4 F/10 L -117 O 8.5 R ND 2.0 3 1 1 0 0 1 22 11.0 0.00
Jun 5 vs KC W 6 - 5 F/10 W -121 O 8.0 R ND 1.2 1 0 0 1 0 0 25 15.0 0.00
May 1 @ CIN L 9 - 1 L -114 O 9.0 R ND 1.2 1 3 3 2 1 1 34 20.4 0.00
Apr 28 @ CIN L 3 - 1 L 108 U 9.5 R ND 0.2 2 0 0 0 1 0 12 18.0 0.00
Apr 26 vs MIL W 6 - 5 W -141 O 7.0 R H 0.1 0 0 0 0 0 0 2 6.0 0.00
Show Full Season

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 35 0 3 0 3 3 2.18 0 0 41.3 30 12 10 18 38 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 3-0 1-0 1-0 2-0 0-0 3-0
ERA 2.18 0.00 2.60 0.75 0.00 1.52
IP 41.3 4.0 17.3 24.0 0.0 41.3
HITS 30 3 12 16 0 28
RUNS 12 1 7 2 0 9
ER 10 0 5 2 0 7
SO 38 3 19 19 0 38
BB 18 1 11 7 0 18
HR 2 0 1 1 0 2
OBP .314 .250 .325 .275 .000 .298
WHIP 1.16 1.00 1.33 0.96 0.00 1.11
GB:FB 3.36 0.00 3.29 3.43 0.00 3.36
SB 2 0 0 2 0 2
CS 1 0 0 1 0 1
SB% 2.00 0.00 0.00 2.00 0.00 2.00
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 College of Idaho


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