Frank Castillo was 6-7 with an ERA of 4.35 and 73 strikeouts in 18 appearances in his rookie season in 1991.
| 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 |  | F. Castillo | 1991 |  CHC | 18 | 6 | 7 | .462 | 18 | 4.35 | 73 | 4 | 0 | 0 | 111.2 | 107 | 54 | 56 | 5 | 33 | 0 | 0 | 2 | 467 | 5 | 5.88 | 2.66 | 2.21 | 0.40 | 15.6 | 7.1 | 1.25 | .287 | 4.51 | 113 | 3.01 | 78 | 8.62 | 10.3 |
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. Castillo | 10/1/1991 | 1991 | CHC | @ |  PHI | 1 | 4.50 | 2 | 0 | 0 | 0 | 8.0 | 6 | 4 | 4 | 0 | 2 | 0 | 0 | 0 | 33 | 0 | |
| 2 | | F. Castillo | 9/27/1991 | 1991 | CHC | @ |  STL | L | 1 | 10.80 | 4 | 0 | 0 | 0 | 3.1 | 2 | 4 | 4 | 0 | 5 | 0 | 0 | 0 | 16 | 0 |
| 3 | | F. Castillo | 9/22/1991 | 1991 | CHC | vs |  MON | L | 1 | 8.44 | 5 | 0 | 0 | 0 | 5.1 | 9 | 5 | 5 | 3 | 2 | 0 | 0 | 1 | 27 | 0 |
| 4 | | F. Castillo | 9/16/1991 | 1991 | CHC | @ |  PIT | L | 1 | 7.50 | 4 | 0 | 0 | 0 | 6.0 | 9 | 5 | 5 | 1 | 3 | 0 | 0 | 0 | 29 | 1 |
| 5 | | F. Castillo | 9/11/1991 | 1991 | CHC | vs |  NYM | L | 1 | 5.68 | 2 | 0 | 0 | 0 | 6.1 | 8 | 4 | 4 | 0 | 2 | 0 | 0 | 0 | 28 | 0 |
| 6 | | F. Castillo | 9/6/1991 | 1991 | CHC | vs |  SFG | W | 1 | 1.08 | 10 | 0 | 0 | 0 | 8.1 | 3 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 29 | 0 |
| 7 | | F. Castillo | 9/1/1991 | 1991 | CHC | @ |  LAD | L | 1 | 67.50 | 0 | 0 | 0 | 0 | 0.2 | 5 | 5 | 5 | 0 | 3 | 0 | 0 | 1 | 9 | 0 |
| 8 | | F. Castillo | 8/27/1991 | 1991 | CHC | vs | LAD | W | 1 | 1.00 | 7 | 1 | 0 | 0 | 9.0 | 3 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 31 | 1 |
| 9 | | F. Castillo | 8/10/1991 | 1991 | CHC | vs | NYM | 1 | 0.00 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| 10 | | F. Castillo | 8/5/1991 | 1991 | CHC | @ | NYM | W | 1 | 2.00 | 5 | 1 | 0 | 0 | 9.0 | 9 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 35 | 0 |
| 11 | | F. Castillo | 7/31/1991 | 1991 | CHC | @ |  CIN | L | 1 | 9.00 | 2 | 0 | 0 | 0 | 4.0 | 7 | 4 | 4 | 0 | 1 | 0 | 0 | 0 | 19 | 1 |
| 12 | | F. Castillo | 7/26/1991 | 1991 | CHC | vs |  ATL | L | 1 | 4.50 | 4 | 0 | 0 | 0 | 6.0 | 6 | 3 | 4 | 0 | 2 | 0 | 0 | 0 | 27 | 1 |
| 13 | | F. Castillo | 7/21/1991 | 1991 | CHC | @ |  HOU | W | 1 | 2.00 | 4 | 1 | 0 | 0 | 9.0 | 9 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 36 | 0 |
| 14 | | F. Castillo | 7/16/1991 | 1991 | CHC | @ | ATL | 1 | 9.00 | 3 | 0 | 0 | 0 | 4.0 | 7 | 4 | 4 | 0 | 2 | 0 | 0 | 0 | 22 | 1 | |
| 15 | | F. Castillo | 7/12/1991 | 1991 | CHC | vs | HOU | W | 1 | 2.16 | 8 | 0 | 0 | 0 | 8.1 | 3 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 30 | 0 |
| 16 | | F. Castillo | 7/5/1991 | 1991 | CHC | @ | STL | W | 1 | 1.00 | 4 | 1 | 0 | 0 | 9.0 | 6 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 34 | 0 |
| 17 | | F. Castillo | 7/1/1991 | 1991 | CHC | vs | PIT | 1 | 6.43 | 7 | 0 | 0 | 0 | 7.0 | 10 | 5 | 5 | 1 | 1 | 0 | 0 | 0 | 32 | 0 | |
| 18 | | F. Castillo | 6/27/1991 | 1991 | CHC | @ | PIT | 1 | 2.25 | 2 | 0 | 0 | 0 | 8.0 | 5 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 29 | 0 | |
| Total | 18 | 4.35 | 73 | 4 | 0 | 0 | 111.2 | 107 | 54 | 56 | 5 | 33 | 0 | 0 | 2 | 467 | 5 |
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