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 25.2
W/L 0-0
SV 0
ERA 1.75
K 28
BB 13
OBP .327
Errors 0
Last 10 | Season
Date vs S/R Res Score IP H R ER K BB HR P P/IP GB:FB
7/26/25 SD R 1-3 1.0 0 0 0 1 0 0 15 15.0 .00
7/24/25 SD R H 9-7 0.1 1 0 0 1 1 0 13 39.0 .00
7/22/25 @ COL R 4-8 1.0 1 1 0 1 2 0 31 31.0 2.00
7/20/25 @ AZ R 3-5 1.0 0 0 0 2 0 0 17 17.0 .00
7/13/25 ATL R H 5-4 1.2 1 0 0 2 1 0 27 16.2 1.00
7/11/25 ATL R 5-6 2.0 2 0 0 4 1 0 38 19.0 1.00
7/6/25 @ CHC R 0-11 2.0 2 0 0 3 0 0 39 19.5 .50
7/2/25 @ PIT R 0-5 0.2 2 1 1 1 1 0 20 30.0 .00
6/29/25 @ CLE R 7-0 1.0 0 0 0 3 2 0 26 26.0 .00
6/26/25 CHC R 0-3 1.0 0 0 0 1 1 0 16 16.0 .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 21 0 0 0 0 0 1.75 0 0 25.2 20 6 5 13 28 2 3
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
1.75
25.2
20
6
5
28
13
2
0-0
0.00
0.0
0
0
0
0
0
0
0-0
3.00
12.0
9
5
4
15
7
1
0-0
0.66
13.2
11
1
1
13
6
1
0-0
3.00
12.0
7
4
4
14
7
1
0-0
0.66
13.2
13
2
1
14
6
1
0-0
1.75
25.2
20
6
5
28
13
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 %
.327
1.29
2.78
0
1
0.0
0.0
.000
0.00
0
0
0
0
0.0
.340
1.33
2.17
0
0
0
0.0
.315
1.24
4.00
0
1
0.0
0.0
.306
1.17
13.00
0
1
0.0
0.0
.345
1.39
1.50
0
0
0
0.0
.327
1.29
2.78
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
9-12
4.29
4.67
8.95
11
9
0-0
0.00
0.00
0.00
0
0
3-7
3.80
5.20
9.00
4
5
6-5
4.73
4.18
8.91
7
4
5-5
3.80
4.70
8.50
5
5
4-7
4.73
4.64
9.36
6
4
9-12
4.29
4.67
8.95
11
9
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.