Pitcher Kevin Ritz played 9 seasons for the Tigers and Rockies. Ritz had 45 wins, 56 losses, an earned run average of 5.35, and 462 strikeouts.
| Season | TM | LG | W | L | ERA | G | GS | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1989 | DET | AL | 4 | 6 | 4.38 | 12 | 12 | 1 | 0 | 0 | 74.0 | 75 | 36 | 41 | 2 | 44 | 1 | 56 |
| 1990 | DET | AL | 0 | 4 | 11.05 | 4 | 4 | 0 | 0 | 0 | 7.1 | 14 | 9 | 12 | 0 | 14 | 0 | 3 |
| 1991 | DET | AL | 0 | 3 | 11.74 | 11 | 5 | 0 | 0 | 0 | 15.1 | 17 | 20 | 22 | 1 | 22 | 2 | 9 |
| 1992 | DET | AL | 2 | 5 | 5.60 | 23 | 11 | 0 | 0 | 0 | 80.1 | 88 | 50 | 52 | 4 | 44 | 3 | 57 |
| 1994 | COL | NL | 5 | 6 | 5.62 | 15 | 15 | 0 | 0 | 0 | 73.2 | 88 | 46 | 49 | 5 | 35 | 4 | 53 |
| 1995 | COL | NL | 11 | 11 | 4.21 | 31 | 28 | 0 | 0 | 2 | 173.1 | 171 | 81 | 91 | 16 | 65 | 6 | 120 |
| 1996 | COL | NL | 17 | 11 | 5.28 | 35 | 35 | 2 | 0 | 0 | 213.0 | 236 | 125 | 135 | 24 | 105 | 12 | 105 |
| 1997 | COL | NL | 6 | 8 | 5.87 | 18 | 18 | 1 | 0 | 0 | 107.1 | 142 | 70 | 72 | 16 | 46 | 1 | 56 |
| 1998 | COL | NL | 0 | 2 | 11.00 | 2 | 2 | 0 | 0 | 0 | 9.0 | 17 | 11 | 11 | 1 | 2 | 1 | 3 |
| Career | 45 | 56 | 5.35 | 151 | 130 | 4 | 0 | 2 | 753.1 | 848 | 448 | 485 | 69 | 377 | 30 | 462 |