Jose DeLeon had a 7-3 record with an ERA of 2.83 and 118 strikeouts in 15 appearances in his rookie season in 1983.
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 |  | J. DeLeon | 10/1/1983 | 1983 |  PIT | @ |  PHI | 1 | 4.50 | 8 | 0 | 0 | 0 | 6.0 | 7 | 3 | 3 | 0 | 3 | 0 | 0 | 0 | 28 | 0 | |
| 2 | | J. DeLeon | 9/27/1983 | 1983 | PIT | vs |  NYM | L | 1 | 6.00 | 4 | 0 | 0 | 0 | 6.0 | 6 | 4 | 4 | 0 | 2 | 0 | 0 | 1 | 26 | 0 |
| 3 | | J. DeLeon | 9/21/1983 | 1983 | PIT | @ |  CHC | 1 | 7.20 | 7 | 0 | 0 | 0 | 5.0 | 6 | 4 | 5 | 0 | 4 | 0 | 0 | 0 | 26 | 0 | |
| 4 | | J. DeLeon | 9/16/1983 | 1983 | PIT | vs |  MON | W | 1 | 0.00 | 8 | 1 | 1 | 0 | 9.0 | 9 | 0 | 0 | 0 | 5 | 0 | 0 | 1 | 39 | 0 |
| 5 | | J. DeLeon | 9/11/1983 | 1983 | PIT | vs | PHI | 1 | 4.50 | 6 | 0 | 0 | 0 | 6.0 | 5 | 3 | 3 | 0 | 4 | 0 | 0 | 0 | 27 | 1 | |
| 6 | | J. DeLeon | 9/4/1983 | 1983 | PIT | @ |  ATL | 1 | 7.20 | 5 | 0 | 0 | 0 | 5.0 | 4 | 4 | 4 | 2 | 2 | 0 | 0 | 0 | 21 | 0 | |
| 7 | | J. DeLeon | 8/30/1983 | 1983 | PIT | @ |  CIN | W | 1 | 1.50 | 7 | 0 | 0 | 0 | 6.0 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 22 | 1 |
| 8 | | J. DeLeon | 8/25/1983 | 1983 | PIT | vs |  HOU | W | 1 | 3.12 | 11 | 0 | 0 | 0 | 8.2 | 8 | 3 | 3 | 1 | 3 | 0 | 0 | 0 | 37 | 1 |
| 9 | | J. DeLeon | 8/20/1983 | 1983 | PIT | vs | CIN | W | 1 | 0.00 | 13 | 1 | 1 | 0 | 9.0 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 30 | 0 |
| 10 | | J. DeLeon | 8/15/1983 | 1983 | PIT | vs | NYM | W | 1 | 2.16 | 6 | 0 | 0 | 0 | 8.1 | 4 | 2 | 2 | 1 | 4 | 0 | 0 | 0 | 33 | 0 |
| 11 | | J. DeLeon | 8/10/1983 | 1983 | PIT | @ | PHI | L | 1 | 3.86 | 8 | 0 | 0 | 0 | 7.0 | 4 | 3 | 3 | 1 | 3 | 1 | 0 | 0 | 25 | 0 |
| 12 | | J. DeLeon | 8/5/1983 | 1983 | PIT | vs | MON | L | 1 | 6.00 | 8 | 0 | 0 | 0 | 6.0 | 9 | 4 | 5 | 0 | 4 | 0 | 0 | 0 | 30 | 2 |
| 13 | | J. DeLeon | 7/31/1983 | 1983 | PIT | @ | NYM | 1 | 0.00 | 11 | 0 | 0 | 0 | 9.0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 30 | 0 | |
| 14 | | J. DeLeon | 7/27/1983 | 1983 | PIT | vs |  SDP | W | 1 | 1.00 | 7 | 1 | 0 | 0 | 9.0 | 4 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 32 | 0 |
| 15 | | J. DeLeon | 7/23/1983 | 1983 | PIT | vs |  SFG | W | 1 | 2.25 | 9 | 0 | 0 | 0 | 8.0 | 4 | 2 | 2 | 0 | 4 | 0 | 0 | 0 | 32 | 0 |
| Total | 15 | 2.83 | 118 | 3 | 2 | 0 | 108.0 | 75 | 34 | 36 | 5 | 47 | 1 | 0 | 2 | 438 | 5 |
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