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Major League Baseball
Profile | Career Statistics
Riley O'Brien
Profile
Position Starter
Ht/Wt 6'4" / 180 lbs
Birthdate February 6, 1995
Birthplace Seattle, Washington
College Idaho
Bats/Throws Right / Right
Draft 2017 - Round 8 (229 overall) by Tampa Bay
Experience 4 years
Key Statistics
IP 9.1
W/L 0-0
SV 0
ERA 3.86
K 5
BB 3
OBP .361
Errors 0
Last 10 | Season
Date vs S/R Res Score IP H R ER K BB HR P P/IP GB:FB
6/13/25 @ MIL R 2-3 1.0 0 0 0 1 0 0 17 17.0 1.00
6/11/25 TOR R 2-5 2.0 2 0 0 1 1 0 26 13.0 .00
6/9/25 TOR R 4-5 2.0 3 1 1 0 0 1 22 11.0 .00
6/5/25 KC R 6-5 1.2 1 0 0 1 0 0 25 15.0 .00
5/1/25 @ CIN R 1-9 1.2 1 3 3 2 1 1 34 20.4 .00
4/28/25 @ CIN R 1-3 0.2 2 0 0 0 1 0 12 18.0 .00
4/26/25 MIL R H 6-5 0.1 0 0 0 0 0 0 2 6.0 .00
9/14/24 @ TOR R 2-7 2.0 4 2 2 3 1 0 51 25.5 2.00
9/8/24 SEA R 4-10 1.1 1 0 0 2 2 0 27 20.2 .00
9/6/24 SEA R 1-6 0.2 0 0 0 0 0 0 8 12.0 .00
Pitching Statistics | Career
Year Team G GS W L SV BS ERA CG SHO IP H R ER BB K HR WP
2025 STL 7 0 0 0 0 0 3.86 0 0 9.1 9 4 4 3 5 2 1
2024 STL 8 0 0 0 0 1 11.25 0 0 8.0 13 10 10 8 11 2 1
Pitching Splits
  Overall Last 3 Away Home Day Night Grass Fieldturf Astroturf
W/L
ERA
IP
Hits
Runs
ER
K
BB
HR
0-0
3.86
9.1
9
4
4
5
3
2
0-0
0.00
0.0
0
0
0
0
0
0
0-0
8.10
3.1
3
3
3
3
2
1
0-0
1.50
6.0
6
1
1
2
1
1
0-0
4.76
5.2
4
3
3
4
2
1
0-0
2.45
3.2
5
1
1
1
1
1
0-0
3.86
9.1
9
4
4
5
3
2
0-0
0.00
0.0
0
0
0
0
0
0
0-0
0.00
0.0
0
0
0
0
0
0
OBP
WHIP
GB:FB
SB
CS
SB %
QS %
.361
1.29
12.00
0
1
0.0
0.0
.000
0.00
0
0
0
0
0.0
.400
1.50
4.00
0
0
0
0.0
.333
1.17
0
0
1
0.0
0.0
.318
1.06
0
0
1
0.0
0.0
.429
1.64
4.00
0
0
0
0.0
.361
1.29
12.00
0
1
0.0
0.0
.000
0.00
0
0
0
0
0.0
.000
0.00
0
0
0
0
0.0
TW/TL
AF
AA
Total
Over
Under
2-5
3.14
5.00
8.14
4
3
0-0
0.00
0.00
0.00
0
0
0-3
1.33
5.00
6.33
1
2
2-2
4.50
5.00
9.50
3
1
2-2
3.75
6.00
9.75
3
1
0-3
2.33
3.67
6.00
1
2
2-5
3.14
5.00
8.14
4
3
0-0
0.00
0.00
0.00
0
0
0-0
0.00
0.00
0.00
0
0
Season Injury Log
Date On Date Off Injury Status
No injuries to report.