Kevin Ritz had a 4-6 record with an ERA of 4.38 and 56 strikeouts in 12 appearances in his rookie season in 1989.
Games
| NAME | DATE | SEASON | TM | OPP | DEC | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | K. Ritz | 9/30/1989 | 1989 |  DET | @ |  NYY | L | 1 | 12.60 | 7 | 0 | 0 | 0 | 5.0 | 8 | 7 | 7 | 1 | 3 | 0 | 0 | 0 | 25 | 0 |
| 2 | | K. Ritz | 9/23/1989 | 1989 | DET | vs |  BOS | L | 1 | 8.10 | 2 | 0 | 0 | 0 | 3.1 | 9 | 3 | 3 | 0 | 3 | 0 | 0 | 0 | 21 | 0 |
| 3 | | K. Ritz | 9/14/1989 | 1989 | DET | @ |  CLE | L | 1 | 0.00 | 6 | 0 | 0 | 0 | 7.0 | 5 | 0 | 2 | 0 | 2 | 0 | 0 | 1 | 28 | 1 |
| 4 | | K. Ritz | 9/5/1989 | 1989 | DET | vs |  KCR | W | 1 | 1.29 | 5 | 0 | 0 | 0 | 7.0 | 7 | 1 | 1 | 0 | 3 | 0 | 0 | 0 | 28 | 0 |
| 5 | | K. Ritz | 8/31/1989 | 1989 | DET | @ | KCR | L | 1 | 1.29 | 7 | 0 | 0 | 0 | 7.0 | 5 | 1 | 2 | 0 | 4 | 0 | 0 | 2 | 31 | 1 |
| 6 | | K. Ritz | 8/25/1989 | 1989 | DET | @ | BOS | L | 1 | 7.71 | 2 | 0 | 0 | 0 | 4.2 | 5 | 4 | 4 | 0 | 3 | 0 | 0 | 0 | 22 | 0 |
| 7 | | K. Ritz | 8/12/1989 | 1989 | DET | @ |  TEX | 1 | 8.44 | 3 | 0 | 0 | 0 | 5.1 | 5 | 5 | 5 | 0 | 6 | 0 | 0 | 0 | 27 | 2 | |
| 8 | | K. Ritz | 8/7/1989 | 1989 | DET | vs |  MIL | W | 1 | 2.25 | 6 | 0 | 0 | 0 | 8.0 | 6 | 2 | 3 | 0 | 2 | 0 | 0 | 1 | 32 | 1 |
| 9 | | K. Ritz | 8/2/1989 | 1989 | DET | vs | TEX | W | 1 | 4.00 | 9 | 1 | 0 | 0 | 9.0 | 7 | 4 | 4 | 0 | 3 | 0 | 0 | 0 | 35 | 0 |
| 10 | | K. Ritz | 7/28/1989 | 1989 | DET | vs |  MIN | W | 1 | 3.00 | 6 | 0 | 0 | 0 | 6.0 | 4 | 2 | 2 | 0 | 6 | 1 | 0 | 0 | 30 | 0 |
| 11 | | K. Ritz | 7/23/1989 | 1989 | DET | @ |  CAL | 1 | 2.35 | 3 | 0 | 0 | 0 | 7.2 | 6 | 2 | 3 | 0 | 5 | 0 | 0 | 1 | 32 | 0 | |
| 12 | | K. Ritz | 7/15/1989 | 1989 | DET | vs |  SEA | L | 1 | 11.25 | 0 | 0 | 0 | 0 | 4.0 | 8 | 5 | 5 | 1 | 4 | 0 | 0 | 0 | 23 | 1 |
| Total | 12 | 4.38 | 56 | 1 | 0 | 0 | 74.0 | 75 | 36 | 41 | 2 | 44 | 1 | 0 | 5 | 334 | 6 |
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