Jeff Pfeffer
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1923-04-17 | STL | @ CIN | L, 3-2 | 6.0 | 5 | 2 | 2 | 3 | 1 | 27 | 3 | 0 | 0 | 9 | 7 | SP |
| 1923-04-21 | STL | @ CHC | L, 10-8 | 6.1 | 9 | 6 | 6 | 2 | 3 | 32 | 0 | 1 | 2 | 5 | 11 | SP |
| 1923-04-25 | STL | vs. CIN | L, 3-1 | 9.0 | 9 | 3 | 3 | 3 | 2 | 35 | 4 | 0 | 0 | 10 | 8 | SP, L, CG |
| 1923-05-02 | STL | vs. PIT | W, 12-1 | 9.0 | 8 | 1 | 1 | 1 | 1 | 35 | 0 | 0 | 0 | 8 | 15 | SP, W, CG |
| 1923-05-06 | STL | vs. CHC | W, 16-4 | 9.0 | 9 | 4 | 4 | 3 | 2 | 38 | 0 | 1 | 0 | 19 | 4 | SP, W, CG |
| 1923-05-14 | STL | @ BSN | W, 7-1 | 9.0 | 7 | 1 | 1 | 2 | 3 | 35 | 1 | 0 | 0 | 7 | 16 | SP, W, CG |
| 1923-05-19 | STL | @ BRO | L, 6-5 | 8.0 | 8 | 4 | 4 | 2 | 2 | 33 | 1 | 1 | 1 | 4 | 15 | SP |
| 1923-05-28 | STL | vs. CIN | W, 5-4 | 10.0 | 8 | 4 | 2 | 1 | 2 | 41 | 0 | 1 | 0 | 9 | 14 | SP, W, CG |
| 1923-06-01 | STL | vs. PIT | W, 4-3 | 11.0 | 14 | 3 | 2 | 0 | 1 | 44 | 1 | 1 | 0 | 9 | 19 | SP, W, CG |
| 1923-06-07 | STL | vs. PHI | W, 1-0 | 10.0 | 4 | 0 | 0 | 2 | 5 | 36 | 0 | 0 | 0 | 11 | 14 | SP, W, CG, SHO |
| 1923-06-14 | STL | vs. BSN | L, 6-4 | 4.1 | 6 | 6 | 5 | 4 | 1 | 23 | 1 | 0 | 0 | 7 | 4 | SP, L |
| 1923-06-19 | STL | vs. NYG | L, 4-0 | 5.0 | 5 | 4 | 4 | 4 | 3 | 24 | 1 | 0 | 1 | 3 | 9 | SP, L |
| 1923-06-24 | STL | vs. PIT | L, 6-4 | 6.2 | 11 | 6 | 4 | 0 | 0 | 33 | 4 | 1 | 0 | 3 | 16 | SP, L |
| 1923-06-27 | STL | vs. PIT | L, 6-0 | 1.0 | 4 | 3 | 2 | 0 | 1 | 7 | 1 | 0 | 0 | 2 | 0 | RP |
| 1923-07-02 | STL | @ PIT | L, 4-1 | 6.0 | 8 | 4 | 3 | 3 | 2 | 30 | 0 | 1 | 0 | 8 | 6 | SP, L |
| 1923-07-04 | STL | @ PIT | L, 7-5 | 1.1 | 3 | 2 | 2 | 0 | 0 | 6 | 0 | 2 | 0 | 0 | 3 | RP, L |
| 1923-07-05 | STL | @ PHI | W, 16-12 | 0.1 | 2 | 1 | 1 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 1 | RP |
| 1923-07-23 | STL | @ CIN | W, 8-7 | 6.0 | 9 | 5 | 5 | 1 | 1 | 27 | 3 | 2 | 0 | 2 | 14 | SP, W |
| 1923-07-26 | STL | vs. PHI | L, 5-4 | 1.2 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 2 | 1 | RP |
| 1923-07-30 | STL | vs. BRO | L, 6-5 | 8.2 | 13 | 6 | 6 | 2 | 0 | 40 | 4 | 0 | 1 | 7 | 15 | SP, L |
| 1923-08-05 | STL | vs. BSN | L, 4-0 | 8.0 | 11 | 4 | 4 | 0 | 1 | 35 | 2 | 0 | 1 | 15 | 5 | SP, L |
| 1923-08-09 | STL | vs. NYG | W, 13-12 | 2.0 | 3 | 2 | 1 | 3 | 0 | 13 | 0 | 0 | 0 | 3 | 2 | RP |
| 1923-08-15 | STL | @ BRO | L, 7-1 | 6.0 | 9 | 7 | 5 | 2 | 0 | 30 | 3 | 0 | 1 | 7 | 9 | SP, L |
| 1923-08-23 | STL | @ NYG | L, 8-7 | 1.0 | 0 | 1 | 1 | 1 | 0 | 5 | 0 | 0 | 0 | 3 | 0 | RP |
| 1923-08-24 | STL | @ NYG | L, 5-4 | 2.0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 3 | 3 | RP |
| 1923-09-08 | STL | vs. CIN | W, 5-4 | 5.0 | 5 | 1 | 0 | 1 | 1 | 24 | 0 | 0 | 0 | 2 | 11 | RP, W |
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
| Totals | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ||||
| 162 Game Avg. | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |