Leo Mangum had a 1-4 record with an ERA of 7.09 and 12 strikeouts in 13 appearances in his rookie season in 1924.
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 |  | L. Mangum | 9/28/1924 | 1924 |  CWS | vs |  DET | 0 | 16.20 | 1 | 0 | 0 | 0 | 1.2 | 4 | 3 | 3 | 0 | 0 | 0 | 0 | 8 | 0 | ||
| 2 | | L. Mangum | 9/21/1924 | 1924 | CWS | vs |  PHA | W | 0 | 0.00 | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 6 | 0 | |
| 3 | | L. Mangum | 9/21/1924 | 1924 | CWS | vs | PHA | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | ||
| 4 | | L. Mangum | 9/6/1924 | 1924 | CWS | vs |  SLA | 0 | 0.00 | 1 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 3 | 0 | 1 | 10 | 0 | ||
| 5 | | L. Mangum | 8/30/1924 | 1924 | CWS | @ |  CLE | 1 | 0.00 | 1 | 0 | 0 | 0 | 3.0 | 6 | 0 | 3 | 0 | 4 | 0 | 0 | 18 | 0 | ||
| 6 | | L. Mangum | 8/27/1924 | 1924 | CWS | @ | PHA | 0 | 6.23 | 0 | 0 | 0 | 0 | 4.1 | 8 | 3 | 3 | 0 | 1 | 0 | 1 | 20 | 1 | ||
| 7 | | L. Mangum | 8/15/1924 | 1924 | CWS | @ |  BSA | L | 1 | 9.95 | 3 | 0 | 0 | 0 | 6.1 | 9 | 7 | 7 | 1 | 2 | 0 | 0 | 28 | 0 | |
| 8 | | L. Mangum | 8/3/1924 | 1924 | CWS | vs | PHA | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 0 | ||
| 9 | | L. Mangum | 7/31/1924 | 1924 | CWS | vs | BSA | 1 | 3.00 | 1 | 0 | 0 | 0 | 6.0 | 6 | 2 | 4 | 0 | 5 | 0 | 0 | 29 | 0 | ||
| 10 | | L. Mangum | 7/28/1924 | 1924 | CWS | vs |  NYY | L | 1 | 121.50 | 1 | 0 | 0 | 0 | 0.2 | 8 | 9 | 9 | 0 | 1 | 0 | 0 | 11 | 0 | |
| 11 | | L. Mangum | 7/22/1924 | 1924 | CWS | @ |  WSH | L | 1 | 5.14 | 1 | 0 | 0 | 0 | 7.0 | 10 | 4 | 4 | 0 | 3 | 0 | 0 | 36 | 0 | |
| 12 | | L. Mangum | 7/18/1924 | 1924 | CWS | @ | PHA | L | 1 | 3.38 | 3 | 1 | 0 | 0 | 8.0 | 10 | 3 | 4 | 0 | 2 | 0 | 0 | 33 | 0 | |
| 13 | | L. Mangum | 7/11/1924 | 1924 | CWS | @ | NYY | 1 | 18.00 | 0 | 0 | 0 | 0 | 3.0 | 6 | 6 | 6 | 2 | 2 | 1 | 0 | 17 | 0 | ||
| Total | 7 | 7.09 | 12 | 1 | 0 | 0 | 47.0 | 69 | 37 | 43 | 3 | 25 | 1 | 4 | 225 | 1 |
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