Jack Sinclair career ERA
2.45Career Regular Season
Jack Sinclair has a career ERA of 2.45 over 1 regular season.
| Season | Team | GPGP: Games the player appeared in, however briefly. | WW: Games in which this pitcher was credited with the win. | LL: Games in which this pitcher was charged with the loss. | ERAERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent. | IPIP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | KK: Batters this pitcher struck out. | BBBB: Times the batter reached first base on four balls. | WHIPWHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite. | SVSV: Games finished by protecting a narrow lead to the last out. |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026 |  WSH | 11 | 1 | 0, led the MLB | 2.45 | 11.0 | 8 | 4 | 0.91 | 1 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
Bold marks the best figure in the MLB that season, among players with at least 30 games.
Figures come from ESPN's box scores and were last read on November 8, 2026.
