Art Mahaffey
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1964-04-17 | PHI | @ CHC | W, 10-8 | 4.0 | 5 | 6 | 6 | 4 | 4 | 21 | 1 | 0 | 3 | 2 | 6 | SP |
| 1964-04-23 | PHI | vs. PIT | W, 6-5 | 1.2 | 5 | 5 | 5 | 2 | 1 | 12 | 4 | 0 | 0 | 0 | 3 | SP |
| 1964-04-28 | PHI | @ CIN | W, 4-2 | 7.0 | 6 | 2 | 2 | 5 | 2 | 32 | 3 | 0 | 0 | 4 | 14 | SP, W |
| 1964-05-03 | PHI | @ MLN | L, 1-0 | 7.0 | 4 | 1 | 1 | 2 | 5 | 26 | 2 | 0 | 0 | 9 | 6 | SP, L |
| 1964-05-07 | PHI | vs. MLN | W, 9-6 | 7.2 | 7 | 6 | 6 | 1 | 1 | 29 | 2 | 0 | 2 | 6 | 14 | SP, W |
| 1964-05-12 | PHI | vs. STL | L, 4-2 | 2.1 | 4 | 3 | 3 | 3 | 3 | 14 | 1 | 1 | 0 | 1 | 3 | SP, L |
| 1964-05-20 | PHI | @ SFG | W, 7-2 | 4.1 | 6 | 2 | 2 | 4 | 2 | 22 | 0 | 0 | 0 | 4 | 5 | SP |
| 1964-05-27 | PHI | @ PIT | W, 2-0 | 9.0 | 4 | 0 | 0 | 2 | 4 | 33 | 2 | 0 | 0 | 6 | 17 | SP, W, CG, SHO |
| 1964-05-31 | PHI | vs. HOU | W, 4-1 | 6.1 | 3 | 1 | 1 | 7 | 5 | 29 | 1 | 0 | 0 | 3 | 10 | SP, W |
| 1964-06-05 | PHI | vs. SFG | L, 5-3 | 7.0 | 4 | 3 | 3 | 6 | 7 | 31 | 1 | 0 | 1 | 5 | 8 | SP |
| 1964-06-09 | PHI | vs. PIT | W, 4-3 | 6.0 | 4 | 3 | 3 | 4 | 1 | 23 | 0 | 0 | 1 | 6 | 8 | SP, W |
| 1964-06-14 | PHI | vs. NYM | W, 4-2 | 6.2 | 6 | 2 | 2 | 2 | 2 | 28 | 0 | 0 | 1 | 6 | 11 | SP, W |
| 1964-06-19 | PHI | @ NYM | W, 2-1 | 8.2 | 8 | 1 | 1 | 2 | 5 | 36 | 0 | 0 | 0 | 5 | 14 | SP, W |
| 1964-06-24 | PHI | vs. CHC | W, 9-8 | 1.1 | 4 | 2 | 2 | 2 | 1 | 10 | 1 | 0 | 0 | 1 | 1 | SP |
| 1964-06-29 | PHI | @ HOU | L, 6-1 | 1.0 | 3 | 5 | 5 | 1 | 0 | 8 | 0 | 0 | 1 | 3 | 0 | SP, L |
| 1964-07-12 | PHI | vs. MLN | L, 6-2 | 6.0 | 6 | 3 | 3 | 2 | 3 | 25 | 1 | 0 | 1 | 2 | 9 | SP, L |
| 1964-07-16 | PHI | @ PIT | W, 7-5 | 6.0 | 9 | 5 | 4 | 4 | 4 | 30 | 1 | 0 | 1 | 4 | 7 | SP, W |
| 1964-07-18 | PHI | @ CIN | L, 14-4 | 1.0 | 2 | 0 | 0 | 0 | 1 | 5 | 0 | 0 | 0 | 1 | 1 | RP |
| 1964-07-21 | PHI | @ MLN | W, 6-3 | 7.1 | 6 | 3 | 2 | 2 | 2 | 29 | 0 | 0 | 0 | 6 | 12 | SP, W |
| 1964-07-26 | PHI | vs. STL | L, 4-1 | 4.2 | 6 | 4 | 3 | 2 | 1 | 21 | 1 | 1 | 0 | 2 | 10 | SP, L |
| 1964-07-30 | PHI | vs. SFG | W, 4-3 | 1.0 | 2 | 1 | 1 | 0 | 0 | 5 | 0 | 0 | 0 | 1 | 1 | RP, W |
| 1964-08-02 | PHI | vs. LAD | L, 6-1 | 3.0 | 3 | 3 | 2 | 1 | 1 | 14 | 0 | 0 | 1 | 1 | 5 | RP |
| 1964-08-07 | PHI | vs. NYM | W, 9-4 | 4.2 | 6 | 4 | 4 | 2 | 2 | 22 | 0 | 0 | 1 | 6 | 5 | SP |
| 1964-08-13 | PHI | @ CHC | L, 3-1 | 3.0 | 1 | 0 | 0 | 2 | 2 | 11 | 0 | 0 | 0 | 3 | 3 | RP |
| 1964-08-16 | PHI | @ NYM | L, 12-4 | 0.1 | 3 | 2 | 1 | 1 | 0 | 6 | 0 | 0 | 0 | 0 | 1 | SP, L |
| 1964-08-20 | PHI | vs. PIT | W, 2-0 | 9.0 | 2 | 0 | 0 | 3 | 6 | 33 | 0 | 0 | 0 | 10 | 9 | SP, W, CG, SHO |
| 1964-08-24 | PHI | @ MLN | L, 12-9 | 0.1 | 4 | 2 | 2 | 0 | 0 | 5 | 1 | 0 | 0 | 1 | 0 | SP |
| 1964-08-29 | PHI | @ PIT | W, 10-8 | 7.0 | 8 | 3 | 3 | 5 | 1 | 31 | 1 | 0 | 0 | 9 | 8 | SP, W |
| 1964-09-04 | PHI | vs. SFG | W, 5-3 | 6.2 | 8 | 3 | 3 | 3 | 5 | 27 | 0 | 1 | 2 | 5 | 6 | SP |
| 1964-09-08 | PHI | vs. LAD | L, 3-2 | 0.2 | 4 | 3 | 3 | 1 | 0 | 7 | 2 | 0 | 0 | 0 | 1 | SP, L |
| 1964-09-12 | PHI | @ SFG | L, 9-1 | 2.0 | 1 | 2 | 2 | 3 | 0 | 9 | 0 | 0 | 1 | 3 | 1 | SP, L |
| 1964-09-21 | PHI | vs. CIN | L, 1-0 | 6.2 | 6 | 1 | 1 | 2 | 5 | 27 | 1 | 0 | 0 | 7 | 7 | SP, L |
| 1964-09-26 | PHI | vs. MLN | L, 6-4 | 7.0 | 10 | 3 | 3 | 1 | 3 | 33 | 2 | 0 | 1 | 7 | 11 | SP |
| 1964-09-29 | PHI | @ STL | L, 4-2 | 1.0 | 1 | 0 | 0 | 1 | 1 | 4 | 0 | 0 | 0 | 0 | 1 | RP |
| Total Games: 34 | ||||||||||||||||