JoJo Romero career ERA
3.55Career Regular Season
JoJo Romero has a career ERA of 3.55 over 7 regular seasons.
- Best season on file: 2.07 in 2025.
- Most recent: 3.54 in 2026.
Figures come from ESPN's box scores and were last read on September 22, 2026.
| GP: Games the player appeared in, however briefly. | W: Games in which this pitcher was credited with the win. | L: Games in which this pitcher was charged with the loss. | ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent. | IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | K: Batters this pitcher struck out. | BB: Times the batter reached first base on four balls. | WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite. | SV: Games finished by protecting a narrow lead to the last out. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2020 |  PHI | 12 | 0 | 0 | 7.59 | 10.2 | 10 | 2 | 1.41 | 0 |
| 2021 | PHI | 11 | 0 | 0 | 7.00 | 9.0 | 8 | 4 | 1.78 | 0 |
| 2022 |  PHI/STL | 17 | 0 | 0 | 4.96 | 16.1 | 17 | 10 | 1.41 | 0 |
| 2023 | STL | 27 | 4 | 2 | 3.68 | 36.2 | 42 | 10 | 1.06 | 3 |
| 2024 | STL | 65 | 7 | 3 | 3.36 | 59.0 | 51 | 16 | 1.15 | 1 |
| 2025 | STL | 65 | 4 | 6 | 2.07 | 61.0 | 55 | 29 | 1.25 | 8 |
| 2026 |  STL/MIL | 53 | 2 | 3 | 3.54 | 53.1 | 50 | 18 | 1.28 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
