- HT/WT
- 6' 4", 180 lbs
- BIRTHDATE
- 2/6/1995 (31)
- BAT/THR
- Right/Right
- BIRTHPLACE
- Seattle, WA
- STATUS
- Active
2026 season stats
- ERA
- 4.03
- 255th
- K
- 57
- Tied-239th
- WHIP
- 1.28
- Tied-219th
- W
- 3
- Tied-240th
Season totals and game logs update as official box scores enter the LeagueMind archive.
Health watch
Injury report
Day-To-Day
O'Brien was unavailable to pitch in Sunday's extra-inning loss to the Reds due to illness, John Denton of Roundtable Sports reports.
Reported Jul 27, 9:52 AM EST · espnRecent reports
- Day-To-DayO'Brien was unavailable to pitch in Sunday's 5-3 extra-inning loss to the Reds due to illness, John Denton of Roundtable.io reports.Reported Jul 27, 9:52 AM EST · espn
Career view
Season totals
| Season | G | H | R | ER | BB | SO | HR | PC | IP | ERA |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 60 | 48 | 30 | 26 | 26 | 57 | 3 | 979 | 58.0 | 4.03 |
| 2025 | 43 | 33 | 13 | 11 |