| era | G | w | l | sv | K | whip | ip | ||
|---|---|---|---|---|---|---|---|---|---|
| Career | 4.57 | 335 | 65 | 73 | 26 | 892 | 1.38 | 1184.1 | |
| 2001 |  | 3.75 | 20 | 2 | 1 | 0 | 26 | 1.11 | 36.0 |
| 1999 |  | 6.75 | 2 | 0 | 0 | 0 | 1 | 1.50 | 1.1 |
| 1998 |  | 3.55 | 69 | 7 | 5 | 23 | 84 | 1.29 | 88.2 |
| 1997 | | 5.67 | 31 | 10 | 17 | 0 | 148 | 1.53 | 182.2 |
| 1996 |  | 4.39 | 12 | 4 | 2 | 0 | 46 | 1.25 | 69.2 |
| 1996 |  | 5.19 | 23 | 4 | 10 | 0 | 118 | 1.49 | 135.1 |
| 1995 | | 3.82 | 30 | 10 | 12 | 0 | 129 | 1.23 | 195.2 |
| 1994 |  | 4.72 | 40 | 4 | 7 | 2 | 71 | 1.41 | 95.1 |
| 1993 |  | 4.73 | 27 | 6 | 6 | 0 | 70 | 1.45 | 106.2 |
| 1992 | | 4.18 | 35 | 8 | 5 | 0 | 75 | 1.42 | 112.0 |
| 1991 | | 4.21 | 38 | 9 | 7 | 1 | 103 | 1.30 | 134.2 |
| 1990 |  | 6.84 | 8 | 1 | 1 | 0 | 21 | 1.59 | 26.1 |
Mark Leiter
- Position
- P
- Jersey Number
- #31
- H/W
- 6' 3" / 210 lbs
- Bats / Throws
- R / R
- Birth Date
- April 13, 1963 (Age: 63)
- Birth City
- Joliet, USA
- MLB Debut
- July 24, 1990
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Draft 
Rd. 4 / #103