Steve Blass
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1973-04-06 | PIT | vs. STL | W, 7-5 | 5.0 | 5 | 5 | 5 | 4 | 1 | 22 | 1 | 0 | 0 | 5 | 6 | SP |
| 1973-04-17 | PIT | @ STL | W, 4-3 | 8.0 | 5 | 3 | 3 | 5 | 2 | 34 | 1 | 1 | 0 | 8 | 14 | SP |
| 1973-04-22 | PIT | @ CHC | L, 11-3 | 3.0 | 4 | 5 | 5 | 3 | 0 | 18 | 1 | 0 | 1 | 5 | 4 | SP, L |
| 1973-04-29 | PIT | vs. LAD | L, 9-8 | 4.1 | 9 | 6 | 6 | 2 | 1 | 23 | 2 | 0 | 1 | 5 | 6 | SP |
| 1973-05-04 | PIT | @ SDP | W, 12-6 | 9.0 | 7 | 6 | 6 | 6 | 4 | 42 | 2 | 0 | 1 | 18 | 5 | SP, W, CG |
| 1973-05-09 | PIT | @ LAD | L, 8-5 | 4.0 | 3 | 4 | 4 | 4 | 0 | 19 | 0 | 0 | 0 | 4 | 8 | SP, L |
| 1973-05-15 | PIT | vs. MON | W, 9-8 | 5.1 | 7 | 6 | 6 | 4 | 1 | 27 | 2 | 0 | 0 | 7 | 8 | SP |
| 1973-05-21 | PIT | @ PHI | W, 5-4 | 8.0 | 6 | 4 | 4 | 3 | 4 | 33 | 1 | 0 | 1 | 5 | 15 | SP, W |
| 1973-05-27 | PIT | vs. HOU | L, 6-2 | 2.2 | 5 | 4 | 4 | 3 | 1 | 14 | 1 | 0 | 1 | 3 | 1 | SP, L |
| 1973-06-01 | PIT | vs. CIN | W, 9-6 | 6.0 | 8 | 5 | 5 | 5 | 3 | 31 | 2 | 0 | 0 | 6 | 6 | SP, W |
| 1973-06-06 | PIT | vs. SFG | L, 9-7 | 1.2 | 5 | 4 | 4 | 3 | 0 | 13 | 2 | 0 | 1 | 3 | 2 | SP |
| 1973-06-11 | PIT | @ ATL | L, 9-7 | 3.1 | 8 | 5 | 5 | 2 | 1 | 18 | 0 | 0 | 1 | 4 | 3 | SP, L |
| 1973-06-13 | PIT | @ ATL | L, 18-3 | 1.1 | 5 | 7 | 7 | 6 | 0 | 15 | 0 | 0 | 0 | 3 | 1 | RP |
| 1973-06-20 | PIT | vs. CHC | L, 5-3 | 2.0 | 2 | 0 | 0 | 0 | 2 | 8 | 0 | 0 | 0 | 1 | 2 | RP |
| 1973-06-22 | PIT | vs. NYM | L, 5-4 | 1.2 | 7 | 5 | 5 | 2 | 1 | 14 | 2 | 0 | 1 | 1 | 3 | SP, L |
| 1973-06-26 | PIT | @ MON | L, 10-3 | 3.1 | 5 | 3 | 3 | 4 | 1 | 17 | 0 | 0 | 1 | 4 | 3 | RP |
| 1973-06-27 | PIT | vs. STL | L, 15-4 | 4.0 | 6 | 5 | 5 | 4 | 3 | 20 | 2 | 0 | 0 | 4 | 3 | RP |
| 1973-07-03 | PIT | @ STL | L, 7-6 | 2.2 | 1 | 6 | 6 | 6 | 1 | 15 | 1 | 0 | 0 | 2 | 5 | SP, L |
| 1973-07-15 | PIT | @ SFG | L, 12-0 | 0.0 | 1 | 3 | 3 | 2 | 0 | 4 | 0 | 0 | 1 | 0 | 0 | RP |
| 1973-08-01 | PIT | @ NYM | L, 3-0 | 1.2 | 0 | 3 | 3 | 5 | 0 | 11 | 0 | 0 | 0 | 1 | 3 | SP, L |
| 1973-09-11 | PIT | @ CHC | L, 2-0 | 5.0 | 2 | 2 | 1 | 5 | 1 | 23 | 0 | 0 | 1 | 5 | 8 | SP, L |
| 1973-09-16 | PIT | @ STL | L, 7-3 | 6.0 | 4 | 3 | 3 | 5 | 0 | 27 | 1 | 0 | 0 | 8 | 8 | SP |
| 1973-09-21 | PIT | @ NYM | L, 10-2 | 0.2 | 4 | 4 | 4 | 1 | 0 | 7 | 2 | 0 | 0 | 0 | 2 | SP, L |
| Total Games: 23 | ||||||||||||||||