Fernando Arroyo was 2-1 with an ERA of 4.56 and 25 strikeouts in 14 appearances in his rookie season in 1975.
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 |  | F. Arroyo | 9/16/1975 | 1975 |  DET | vs |  CLE | L | 1 | 10.80 | 4 | 0 | 0 | 0 | 5.0 | 5 | 6 | 6 | 3 | 2 | 0 | 0 | 0 | 21 | 0 |
| 2 | | F. Arroyo | 9/10/1975 | 1975 | DET | @ |  BOS | W | 1 | 3.00 | 4 | 1 | 0 | 0 | 9.0 | 11 | 3 | 3 | 1 | 1 | 0 | 0 | 0 | 38 | 0 |
| 3 | | F. Arroyo | 9/4/1975 | 1975 | DET | vs |  NYY | 0 | 1.80 | 0 | 0 | 0 | 0 | 5.0 | 6 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 21 | 0 | |
| 4 | | F. Arroyo | 9/2/1975 | 1975 | DET | vs |  MIL | 0 | 2.45 | 1 | 0 | 0 | 0 | 3.2 | 4 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 16 | 0 | |
| 5 | | F. Arroyo | 8/27/1975 | 1975 | DET | @ |  TEX | 0 | 2.25 | 1 | 0 | 0 | 0 | 4.0 | 3 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 15 | 0 | |
| 6 | | F. Arroyo | 8/11/1975 | 1975 | DET | vs | TEX | 0 | 27.00 | 1 | 0 | 0 | 0 | 0.2 | 1 | 2 | 2 | 0 | 3 | 0 | 0 | 0 | 6 | 0 | |
| 7 | | F. Arroyo | 8/8/1975 | 1975 | DET | vs |  MIN | 0 | 0.00 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
| 8 | | F. Arroyo | 8/5/1975 | 1975 | DET | @ | CLE | 0 | 2.25 | 3 | 0 | 0 | 0 | 4.0 | 3 | 1 | 1 | 0 | 3 | 0 | 0 | 0 | 18 | 1 | |
| 9 | | F. Arroyo | 8/2/1975 | 1975 | DET | @ | BOS | 0 | 0.00 | 2 | 0 | 0 | 0 | 4.2 | 4 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 19 | 0 | |
| 10 | | F. Arroyo | 8/1/1975 | 1975 | DET | @ | BOS | 0 | 0.00 | 1 | 0 | 0 | 0 | 3.2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | |
| 11 | | F. Arroyo | 7/27/1975 | 1975 | DET | vs | CLE | W | 0 | 0.00 | 1 | 0 | 0 | 0 | 4.2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 16 | 0 |
| 12 | | F. Arroyo | 7/22/1975 | 1975 | DET | vs |  OAK | 0 | 13.50 | 1 | 0 | 0 | 0 | 4.0 | 7 | 6 | 6 | 0 | 2 | 1 | 1 | 0 | 21 | 0 | |
| 13 | | F. Arroyo | 7/2/1975 | 1975 | DET | vs |  BAL | 0 | 36.00 | 3 | 0 | 0 | 0 | 1.0 | 4 | 4 | 4 | 1 | 1 | 0 | 0 | 0 | 8 | 0 | |
| 14 | | F. Arroyo | 6/28/1975 | 1975 | DET | @ | BAL | 0 | 4.91 | 3 | 0 | 0 | 0 | 3.2 | 3 | 2 | 2 | 0 | 4 | 0 | 1 | 1 | 18 | 0 | |
| Total | 2 | 4.56 | 25 | 1 | 0 | 0 | 53.1 | 56 | 27 | 28 | 5 | 22 | 1 | 6 | 2 | 232 | 1 |
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