Arnold Leon career ERA
4.66Career Regular Season
Arnold Leon has a career ERA of 4.66 over 2 regular seasons.
- Best season on file: 4.39 in 2015.
- Most recent: 7.71 in 2016.
Lowest of 2 regular seasons, 2015 through 2016. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2015 |  ATH | 19 | 0 | 2 | 4.39 | 26.2 | 19 | 9 | 1.46 | 0 |
| 2016 |  TOR | 2 | 0 | 0 | 7.71 | 2.1 | 2 | 1 | 1.71 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV