Masa Kobayashi career WHIP
1.45Career Regular Season
Masa Kobayashi has a career WHIP of 1.45 over 2 regular seasons.
- Best season on file: 1.42 in 2008.
- Most recent: 1.66 in 2009.
Average of 2 regular seasons, 2008 through 2009. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2008 |  CLE | 57 | 4 | 5 | 4.53 | 55.2 | 35 | 14 | 1.42 | 6 |
| 2009 | CLE | 10 | 0 | 0 | 8.38 | 9.2 | 4 | 4 | 1.66 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV