Don Brennan had a record of 5-1 with an ERA of 4.98, 46 strikeouts and 3 saves in 18 appearances in his rookie season in 1933.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | D. Brennan | 1933 |  NYY | 18 | 5 | 1 | .833 | 10 | 4.98 | 46 | 3 | 0 | 3 | 85.0 | 92 | 47 | 56 | 4 | 47 | 0 | 6 | 391 | 1 | 4.87 | 4.98 | 0.98 | 0.42 | 11.8 | 12.0 | 1.64 | .299 | 5.93 | 124 | 3.99 | 105 | 9.74 | -2.2 |
Games
| NAME | DATE | SEASON | TM | OPP | DEC | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | | D. Brennan | 7/7/1933 | 1933 | NYY | vs |  DET | 0 | 8.10 | 3 | 0 | 0 | 0 | 3.1 | 8 | 3 | 6 | 0 | 2 | 0 | 0 | 21 | 0 | ||
| 2 | | D. Brennan | 7/4/1933 | 1933 | NYY | vs |  WSH | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | ||
| 3 | | D. Brennan | 6/30/1933 | 1933 | NYY | @ |  CLE | 0 | 7.71 | 1 | 0 | 0 | 0 | 2.1 | 6 | 2 | 3 | 0 | 1 | 0 | 0 | 13 | 0 | ||
| 4 | | D. Brennan | 6/25/1933 | 1933 | NYY | @ | DET | L | 0 | 0.00 | 2 | 0 | 0 | 0 | 4.2 | 4 | 0 | 1 | 0 | 2 | 0 | 1 | 21 | 0 | |
| 5 | | D. Brennan | 6/23/1933 | 1933 | NYY | @ |  SLA | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | ||
| 6 | | D. Brennan | 6/23/1933 | 1933 | NYY | @ | SLA | 0 | 0.00 | 2 | 0 | 0 | 1 | 2.0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 0 | ||
| 7 | | D. Brennan | 6/18/1933 | 1933 | NYY | @ |  CWS | 1 | 4.50 | 2 | 0 | 0 | 0 | 8.0 | 7 | 4 | 4 | 0 | 6 | 0 | 0 | 37 | 0 | ||
| 8 | | D. Brennan | 6/11/1933 | 1933 | NYY | @ |  BSA | 1 | 6.75 | 3 | 0 | 0 | 0 | 4.0 | 5 | 3 | 4 | 1 | 4 | 0 | 0 | 21 | 0 | ||
| 9 | | D. Brennan | 6/6/1933 | 1933 | NYY | vs | BSA | W | 1 | 4.00 | 6 | 1 | 0 | 0 | 9.0 | 9 | 4 | 4 | 0 | 4 | 0 | 0 | 38 | 0 | |
| 10 | | D. Brennan | 6/3/1933 | 1933 | NYY | vs |  PHA | 1 | 19.29 | 2 | 0 | 0 | 0 | 2.1 | 3 | 5 | 6 | 0 | 3 | 0 | 0 | 14 | 0 | ||
| 11 | | D. Brennan | 5/27/1933 | 1933 | NYY | vs | CWS | 1 | 7.11 | 0 | 0 | 0 | 0 | 6.1 | 11 | 5 | 6 | 1 | 3 | 0 | 0 | 31 | 0 | ||
| 12 | | D. Brennan | 5/23/1933 | 1933 | NYY | vs | CLE | 0 | 9.00 | 0 | 0 | 0 | 1 | 1.0 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 4 | 0 | ||
| 13 | | D. Brennan | 5/19/1933 | 1933 | NYY | vs | SLA | W | 1 | 5.40 | 12 | 0 | 0 | 0 | 8.1 | 6 | 5 | 5 | 1 | 8 | 0 | 0 | 38 | 0 | |
| 14 | | D. Brennan | 5/14/1933 | 1933 | NYY | @ | SLA | 0 | 0.00 | 3 | 0 | 0 | 1 | 3.1 | 2 | 0 | 0 | 0 | 2 | 0 | 1 | 14 | 0 | ||
| 15 | | D. Brennan | 5/8/1933 | 1933 | NYY | @ | CWS | W | 1 | 3.00 | 3 | 1 | 0 | 0 | 9.0 | 10 | 3 | 3 | 0 | 3 | 0 | 0 | 41 | 0 | |
| 16 | | D. Brennan | 4/30/1933 | 1933 | NYY | vs | BSA | W | 1 | 2.00 | 3 | 1 | 0 | 0 | 9.0 | 4 | 2 | 3 | 0 | 3 | 0 | 0 | 36 | 0 | |
| 17 | | D. Brennan | 4/24/1933 | 1933 | NYY | @ | WSH | 1 | 20.25 | 1 | 0 | 0 | 0 | 2.2 | 4 | 6 | 6 | 0 | 3 | 0 | 0 | 14 | 0 | ||
| 18 | | D. Brennan | 4/16/1933 | 1933 | NYY | vs | PHA | W | 1 | 4.70 | 3 | 0 | 0 | 0 | 7.2 | 8 | 4 | 4 | 1 | 3 | 0 | 0 | 32 | 1 | |
| Total | 10 | 4.98 | 46 | 3 | 0 | 3 | 85.0 | 92 | 47 | 56 | 4 | 47 | 0 | 6 | 391 | 1 |
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