Ryan Borucki career ERA
4.34Career Regular Season
Ryan Borucki has a career ERA of 4.34 over 9 regular seasons.
- Best season on file: 2.45 in 2023.
- Most recent: 4.94 in 2026.
Figures come from ESPN's box scores and were last read on September 21, 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2018 |  TOR | 17 | 4 | 6 | 3.87 | 97.2 | 67 | 33 | 1.32 | 0 |
| 2019 | TOR | 2 | 0 | 1 | 10.80 | 6.2 | 6 | 6 | 3.15 | 0 |
| 2020 | TOR | 21 | 1 | 1 | 2.70 | 16.2 | 21 | 12 | 1.44 | 0 |
| 2021 | TOR | 24 | 3 | 1 | 4.94 | 23.2 | 21 | 11 | 1.23 | 0 |
| 2022 |  TOR/SEA | 32 | 2 | 0 | 5.68 | 25.1 | 21 | 11 | 1.38 | 0 |
| 2023 |  PIT | 38 | 4 | 0 | 2.45 | 40.1 | 33 | 4 | 0.74 | 0 |
| 2024 | PIT | 14 | 0 | 0 | 7.36 | 11.0 | 13 | 4 | 1.64 | 0 |
| 2025 | PIT/TOR | 39 | 1 | 3 | 4.63 | 35.0 | 32 | 16 | 1.29 | 0 |
| 2026 |  SF | 21 | 1 | 1 | 4.94 | 23.2 | 15 | 9 | 1.52 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV