Geoff Zahn
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981-04-09 | CAL | @ SEA | W, 6-2 | 7.0 | 4 | 2 | 2 | 1 | 4 | 25 | 0 | 0 | 1 | 8 | 8 | SP, W |
| 1981-04-14 | CAL | vs. OAK | L, 5-2 | 8.2 | 12 | 5 | 5 | 2 | 3 | 39 | 0 | 0 | 0 | 11 | 8 | SP, L |
| 1981-04-20 | CAL | vs. SEA | W, 6-1 | 9.0 | 10 | 1 | 0 | 1 | 3 | 35 | 1 | 0 | 0 | 12 | 9 | SP, W, CG |
| 1981-04-25 | CAL | @ MIN | W, 6-4 | 9.0 | 10 | 4 | 1 | 1 | 4 | 37 | 1 | 0 | 1 | 14 | 7 | SP, W, CG |
| 1981-04-29 | CAL | @ OAK | L, 6-4 | 3.2 | 5 | 3 | 3 | 4 | 0 | 21 | 1 | 0 | 1 | 2 | 8 | SP, L |
| 1981-05-04 | CAL | vs. NYY | L, 4-2 | 5.2 | 9 | 4 | 4 | 4 | 2 | 27 | 2 | 0 | 2 | 5 | 7 | SP, L |
| 1981-05-09 | CAL | vs. DET | W, 15-1 | 9.0 | 7 | 1 | 1 | 4 | 2 | 36 | 1 | 0 | 0 | 16 | 7 | SP, W, CG |
| 1981-05-14 | CAL | @ MIL | W, 9-1 | 9.0 | 5 | 1 | 1 | 2 | 1 | 33 | 1 | 0 | 1 | 12 | 12 | SP, W, CG |
| 1981-05-19 | CAL | @ CLE | L, 7-3 | 3.0 | 7 | 5 | 5 | 0 | 0 | 16 | 1 | 0 | 1 | 8 | 1 | SP, L |
| 1981-05-24 | CAL | vs. CHW | L, 10-2 | 5.2 | 9 | 8 | 6 | 4 | 2 | 29 | 1 | 0 | 0 | 4 | 10 | SP, L |
| 1981-05-30 | CAL | @ CHW | L, 9-0 | 2.2 | 5 | 7 | 2 | 1 | 3 | 16 | 1 | 0 | 0 | 2 | 2 | SP, L |
| 1981-06-03 | CAL | @ TOR | W, 17-6 | 9.0 | 12 | 6 | 6 | 1 | 3 | 36 | 1 | 0 | 3 | 13 | 7 | SP, W, CG |
| 1981-06-08 | CAL | vs. CLE | W, 10-2 | 9.0 | 5 | 2 | 2 | 1 | 2 | 33 | 1 | 0 | 1 | 16 | 9 | SP, W, CG |
| 1981-08-10 | CAL | @ SEA | L, 5-4 | 4.1 | 5 | 3 | 3 | 1 | 2 | 20 | 1 | 0 | 0 | 8 | 1 | SP |
| 1981-08-15 | CAL | @ OAK | L, 8-7 | 6.0 | 9 | 5 | 4 | 3 | 1 | 29 | 0 | 0 | 0 | 14 | 1 | SP |
| 1981-08-20 | CAL | vs. BAL | W, 6-2 | 9.0 | 9 | 2 | 2 | 0 | 1 | 36 | 2 | 0 | 0 | 13 | 12 | SP, W, CG |
| 1981-08-25 | CAL | vs. BOS | W, 8-7 | 0.1 | 5 | 5 | 5 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 1 | SP |
| 1981-08-29 | CAL | @ BAL | L, 4-3 | 6.1 | 5 | 4 | 3 | 0 | 3 | 25 | 1 | 0 | 1 | 11 | 4 | SP, L |
| 1981-09-04 | CAL | @ CLE | W, 3-1 | 5.0 | 2 | 1 | 1 | 1 | 5 | 18 | 1 | 0 | 0 | 7 | 3 | SP, W, CG |
| 1981-09-08 | CAL | @ KCR | L, 5-3 | 5.1 | 5 | 5 | 5 | 3 | 1 | 24 | 2 | 0 | 1 | 8 | 5 | SP, L |
| 1981-09-12 | CAL | vs. TEX | L, 3-2 | 9.0 | 5 | 3 | 2 | 1 | 2 | 34 | 0 | 0 | 0 | 15 | 9 | SP, L, CG |
| 1981-09-16 | CAL | vs. KCR | L, 3-1 | 7.2 | 10 | 2 | 2 | 3 | 1 | 34 | 2 | 0 | 1 | 15 | 4 | SP, L |
| 1981-09-20 | CAL | @ TOR | L, 6-3 | 3.2 | 6 | 4 | 4 | 1 | 1 | 17 | 0 | 0 | 3 | 6 | 3 | SP, L |
| 1981-09-25 | CAL | vs. TOR | W, 11-5 | 7.0 | 10 | 5 | 5 | 3 | 3 | 32 | 1 | 0 | 0 | 9 | 7 | SP, W |
| 1981-10-02 | CAL | @ TEX | L, 8-6 | 7.1 | 10 | 5 | 5 | 1 | 3 | 31 | 3 | 0 | 1 | 11 | 6 | SP |
| Total Games: 25 | ||||||||||||||||