Jeff Ballard
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1989-04-09 | BAL | @ MIN | W, 8-1 | 9.0 | 7 | 1 | 1 | 0 | 1 | 32 | 2 | 0 | 1 | 12 | 11 | SP, W, CG |
| 1989-04-15 | BAL | @ BOS | W, 12-4 | 5.2 | 6 | 2 | 2 | 3 | 1 | 24 | 0 | 0 | 0 | 6 | 8 | SP, W |
| 1989-04-20 | BAL | vs. KCR | W, 2-0 | 8.1 | 7 | 0 | 0 | 2 | 3 | 31 | 0 | 0 | 0 | 9 | 10 | SP, W |
| 1989-04-25 | BAL | @ CAL | W, 8-1 | 7.0 | 6 | 1 | 1 | 0 | 2 | 25 | 1 | 0 | 0 | 8 | 9 | SP, W |
| 1989-04-30 | BAL | @ SEA | W, 4-3 | 7.0 | 7 | 3 | 2 | 1 | 2 | 27 | 1 | 0 | 1 | 9 | 7 | SP, W |
| 1989-05-06 | BAL | vs. SEA | L, 6-5 | 1.2 | 4 | 5 | 5 | 3 | 1 | 12 | 1 | 0 | 1 | 1 | 3 | SP, L |
| 1989-05-11 | BAL | vs. OAK | W, 6-2 | 7.0 | 9 | 1 | 1 | 0 | 1 | 28 | 2 | 0 | 0 | 9 | 9 | SP, W |
| 1989-05-20 | BAL | vs. CLE | W, 5-1 | 7.2 | 4 | 1 | 1 | 2 | 2 | 29 | 2 | 0 | 0 | 9 | 11 | SP, W |
| 1989-05-26 | BAL | @ CLE | W, 5-2 | 7.0 | 7 | 2 | 2 | 1 | 0 | 26 | 0 | 0 | 1 | 8 | 10 | SP, W |
| 1989-05-31 | BAL | vs. TEX | W, 8-5 | 5.0 | 4 | 0 | 0 | 0 | 2 | 19 | 2 | 0 | 0 | 5 | 5 | SP |
| 1989-06-05 | BAL | @ NYY | W, 16-3 | 7.0 | 9 | 2 | 2 | 6 | 3 | 35 | 0 | 0 | 0 | 9 | 6 | SP, W |
| 1989-06-10 | BAL | vs. MIL | L, 6-0 | 3.0 | 6 | 4 | 4 | 3 | 1 | 18 | 1 | 0 | 0 | 4 | 4 | SP, L |
| 1989-06-15 | BAL | vs. NYY | W, 3-2 | 7.1 | 10 | 2 | 2 | 2 | 1 | 31 | 1 | 0 | 0 | 8 | 9 | SP |
| 1989-06-20 | BAL | @ SEA | W, 8-6 | 0.1 | 3 | 5 | 2 | 1 | 0 | 7 | 1 | 1 | 0 | 0 | 1 | SP |
| 1989-06-25 | BAL | @ CAL | L, 7-6 | 2.0 | 9 | 7 | 6 | 2 | 1 | 18 | 1 | 0 | 1 | 2 | 2 | SP, L |
| 1989-07-01 | BAL | vs. DET | W, 8-1 | 7.1 | 5 | 1 | 1 | 1 | 1 | 28 | 1 | 0 | 0 | 4 | 16 | SP, W |
| 1989-07-06 | BAL | @ TOR | L, 4-1 | 6.1 | 11 | 4 | 4 | 0 | 2 | 29 | 2 | 0 | 1 | 7 | 9 | SP, L |
| 1989-07-13 | BAL | vs. CAL | L, 13-5 | 3.1 | 7 | 5 | 4 | 2 | 3 | 20 | 1 | 0 | 0 | 4 | 3 | SP |
| 1989-07-18 | BAL | vs. SEA | W, 4-3 | 5.1 | 5 | 3 | 2 | 1 | 2 | 23 | 0 | 0 | 1 | 4 | 8 | SP, W |
| 1989-07-23 | BAL | @ OAK | L, 3-2 | 8.0 | 4 | 3 | 3 | 3 | 0 | 30 | 1 | 0 | 1 | 8 | 14 | SP, L, CG |
| 1989-07-28 | BAL | @ KCR | W, 4-3 | 8.1 | 6 | 2 | 2 | 0 | 1 | 31 | 0 | 1 | 0 | 10 | 14 | SP |
| 1989-08-02 | BAL | @ BOS | W, 9-8 | 2.1 | 7 | 6 | 5 | 1 | 3 | 15 | 0 | 0 | 1 | 2 | 2 | SP |
| 1989-08-07 | BAL | vs. MIN | L, 4-2 | 7.0 | 10 | 4 | 3 | 0 | 0 | 30 | 2 | 0 | 0 | 9 | 10 | SP, L |
| 1989-08-12 | BAL | vs. BOS | L, 10-8 | 4.0 | 8 | 4 | 4 | 2 | 1 | 21 | 1 | 0 | 1 | 5 | 5 | SP |
| 1989-08-17 | BAL | vs. TOR | W, 11-6 | 6.0 | 7 | 4 | 4 | 2 | 2 | 25 | 2 | 1 | 1 | 8 | 6 | SP, W |
| 1989-08-21 | BAL | vs. MIL | W, 5-0 | 9.0 | 7 | 0 | 0 | 0 | 0 | 33 | 1 | 0 | 0 | 12 | 11 | SP, W, CG, SHO |
| 1989-08-25 | BAL | @ NYY | W, 3-1 | 8.2 | 10 | 1 | 1 | 2 | 5 | 36 | 3 | 0 | 0 | 10 | 9 | SP, W |
| 1989-08-30 | BAL | @ CLE | W, 7-4 | 7.0 | 6 | 4 | 2 | 0 | 1 | 28 | 1 | 0 | 2 | 10 | 10 | SP, W |
| 1989-09-03 | BAL | @ CHW | L, 4-2 | 6.1 | 7 | 4 | 4 | 4 | 3 | 28 | 0 | 1 | 1 | 4 | 7 | SP, L |
| 1989-09-07 | BAL | @ TEX | W, 8-3 | 6.0 | 7 | 3 | 3 | 1 | 2 | 24 | 1 | 0 | 1 | 8 | 4 | SP, W |
| 1989-09-11 | BAL | vs. CHW | W, 6-3 | 6.1 | 9 | 3 | 2 | 1 | 2 | 28 | 3 | 0 | 0 | 6 | 10 | SP, W |
| 1989-09-16 | BAL | vs. KCR | W, 7-5 | 5.2 | 8 | 3 | 3 | 4 | 5 | 29 | 1 | 0 | 1 | 8 | 3 | SP |
| 1989-09-20 | BAL | vs. DET | W, 9-2 | 7.0 | 5 | 2 | 1 | 1 | 4 | 27 | 2 | 0 | 0 | 8 | 8 | SP, W |
| 1989-09-24 | BAL | vs. NYY | L, 2-0 | 9.0 | 7 | 2 | 2 | 2 | 1 | 35 | 2 | 0 | 0 | 17 | 4 | SP, L, CG |
| 1989-09-29 | BAL | @ TOR | L, 2-1 | 7.1 | 6 | 1 | 1 | 4 | 3 | 30 | 2 | 0 | 0 | 6 | 9 | SP |
| Total Games: 35 | ||||||||||||||||