Mark Grant career ERA
4.31Career Regular Season
Mark Grant has a career ERA of 4.31 over 8 regular seasons.
| 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1984 |  SF | 11 | 1 | 4 | 6.37 | 53.2 | 32 | 19 | 1.40 | 1 |
| 1986 | SF | 4 | 0 | 1 | 3.60 | 10.0 | 5 | 5 | 1.10 | 0 |
| 1987 |  SF/SD | 33 | 7 | 9 | 4.24 | 163.1 | 90 | 73 | 1.49 | 1 |
| 1988 | SD | 33 | 2 | 8 | 3.69 | 97.2 | 61 | 36 | 1.36 | 0 |
| 1989 | SD | 50 | 8 | 2 | 3.33 | 116.1 | 69 | 32 | 1.18 | 2 |
| 1990 |  SD/ATL | 59 | 2 | 3 | 4.73 | 91.1 | 69 | 37 | 1.59 | 3 |
| 1992 |  SEA | 23 | 2 | 4 | 3.89 | 81.0 | 42 | 22 | 1.51 | 0 |
| 1993 |  HOU/COL | 20 | 0 | 1 | 7.46 | 25.1 | 14 | 11 | 1.78 | 1 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
- Best season on file: 3.33 in 1989.
- Most recent: 7.46 in 1993.
Average of 8 regular seasons, 1984 through 1993. Figures come from ESPN's box scores and were last read on November 1, 2026.