Tom Niedenfuer
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1989-04-05 | SEA | @ OAK | L, 11-1 | 1.0 | 4 | 4 | 4 | 0 | 0 | 7 | 1 | 0 | 2 | 0 | 3 | RP |
| 1989-04-09 | SEA | @ CAL | L, 13-5 | 1.0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 2 | 1 | RP |
| 1989-04-11 | SEA | vs. CHW | L, 8-6 | 1.0 | 4 | 3 | 3 | 1 | 1 | 8 | 2 | 0 | 1 | 1 | 1 | RP, L |
| 1989-05-30 | SEA | @ NYY | W, 3-2 | 2.0 | 1 | 0 | 0 | 2 | 0 | 8 | 0 | 0 | 0 | 4 | 1 | RP |
| 1989-06-01 | SEA | vs. TEX | W, 3-2 | 0.2 | 2 | 2 | 2 | 2 | 0 | 6 | 1 | 0 | 0 | 0 | 1 | RP |
| 1989-06-03 | SEA | vs. TEX | L, 6-1 | 1.0 | 1 | 2 | 0 | 1 | 1 | 5 | 1 | 0 | 0 | 0 | 2 | RP |
| 1989-06-05 | SEA | vs. KCR | L, 5-3 | 1.1 | 2 | 1 | 1 | 1 | 0 | 7 | 0 | 0 | 0 | 1 | 1 | RP, L |
| 1989-06-07 | SEA | vs. KCR | L, 9-6 | 2.0 | 5 | 2 | 2 | 1 | 0 | 12 | 2 | 0 | 0 | 1 | 5 | RP |
| 1989-06-14 | SEA | @ MIN | L, 10-8 | 2.0 | 3 | 3 | 3 | 1 | 1 | 10 | 0 | 0 | 1 | 3 | 1 | RP, L |
| 1989-06-19 | SEA | vs. BAL | L, 9-5 | 2.0 | 5 | 2 | 2 | 0 | 1 | 11 | 2 | 0 | 0 | 1 | 4 | RP |
| 1989-06-21 | SEA | vs. BAL | L, 8-6 | 3.0 | 0 | 0 | 0 | 1 | 1 | 12 | 0 | 0 | 0 | 3 | 5 | RP |
| 1989-06-28 | SEA | @ KCR | L, 12-7 | 1.0 | 4 | 2 | 2 | 0 | 1 | 7 | 0 | 0 | 1 | 0 | 2 | RP |
| 1989-07-31 | SEA | vs. CAL | W, 6-5 | 2.0 | 2 | 0 | 0 | 0 | 1 | 8 | 0 | 0 | 0 | 0 | 5 | RP |
| 1989-08-02 | SEA | vs. CAL | L, 7-0 | 2.0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 1 | 5 | RP |
| 1989-08-13 | SEA | vs. CHW | L, 6-4 | 2.1 | 1 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 3 | 4 | RP |
| 1989-08-17 | SEA | vs. KCR | L, 4-2 | 1.0 | 0 | 0 | 0 | 1 | 1 | 4 | 0 | 0 | 0 | 0 | 2 | RP |
| 1989-08-19 | SEA | vs. KCR | L, 13-5 | 2.0 | 4 | 3 | 3 | 1 | 1 | 10 | 1 | 0 | 1 | 2 | 2 | RP |
| 1989-08-24 | SEA | @ CLE | L, 5-2 | 1.0 | 1 | 0 | 0 | 1 | 1 | 5 | 1 | 0 | 0 | 1 | 1 | RP |
| 1989-08-27 | SEA | @ MIN | L, 8-5 | 1.0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 2 | RP |
| 1989-08-31 | SEA | @ MIL | L, 6-1 | 1.0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 2 | RP |
| 1989-09-02 | SEA | @ BOS | L, 6-5 | 1.0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 1 | 0 | RP |
| 1989-09-05 | SEA | vs. NYY | L, 12-2 | 1.0 | 3 | 3 | 3 | 1 | 2 | 7 | 1 | 0 | 1 | 1 | 0 | RP |
| 1989-09-07 | SEA | vs. NYY | L, 6-4 | 1.0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 2 | 1 | RP |
| 1989-09-10 | SEA | vs. MIL | L, 7-1 | 1.0 | 2 | 1 | 1 | 1 | 0 | 6 | 0 | 0 | 0 | 2 | 1 | RP |
| 1989-09-22 | SEA | @ KCR | L, 9-2 | 2.0 | 2 | 1 | 1 | 0 | 1 | 8 | 1 | 0 | 0 | 3 | 2 | RP |
| Total Games: 25 | ||||||||||||||||