Riley O'Brien
P · 5 seasons · 2021 – 2026 · B/T: R/R
One category carried Riley O'Brien and the rest pulled him back: +7.5 from saves, against a career total of +3.0. 2026 was the high-water mark, worth +8.0, 40th that season and 2215th of 51,303 player-seasons on record. On the credit side, saves (+7.5) and ERA (+0.4). On the debit side, strikeouts (-2.3).
Hitting
Best Season
-1.98
2021 · #50,746 all-time
Career Z
-11.4
summed
Avg / Season
-2.29
longevity-neutral
Seasons
5
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2021★ | CIN | 1 | -1.98 | #625 | #50,746 |
| 2022 | SEA | 1 | -2.02 | #580 | #53,628 |
| 2024 | STL | 8 | -2.04 | #564 | #55,925 |
| 2025 | STL | 42 | -2.01 | #554 | #52,712 |
| 2026 | STL | 66 | -3.39 | #574 | #110,552 |
★ Best season by Z
Pitching
Best Season
8.04
2026 · #2,215 all-time
Career Z
3.0
summed
Avg / Season
0.59
longevity-neutral
Seasons
5
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2021 | CIN | 1 | -2.35 | #702 | #36,857 |
| 2022 | SEA | 1 | -2.01 | #599 | #31,805 |
| 2024 | STL | 8 | -3.42 | #795 | #48,038 |
| 2025 | STL | 42 | 2.71 | #152 | #9,737 |
| 2026★ | STL | 66 | 8.04 | #40 | #2,215 |
★ Best season by Z