John Costello
Bats R · Throws R · b. 1960, Bronx, USA · MLB debut 1988-06-02, final game 1991-10-05
Batting
| Year | Team | Lg | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | OBP | SLG |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1988 | SLN | NL | 36 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | .000 | .000 | .000 |
| 1989 | SLN | NL | 48 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | .000 | .000 | .000 |
| 1990 | 2TM | NL | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| 1991 | SDN | NL | 27 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | .000 | .000 |
| 1988–1991 | 119 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | .000 | .000 | .000 |
Pitching
| Year | Team | Lg | W | L | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1988 | SLN | NL | 5 | 2 | 1.81 | 36 | 0 | 0 | 0 | 1 | 49.2 | 44 | 10 | 3 | 25 | 38 |
| 1989 | SLN | NL | 5 | 4 | 3.32 | 48 | 0 | 0 | 0 | 3 | 62.1 | 48 | 23 | 5 | 20 | 40 |
| 1990 | 2TM | NL | 0 | 0 | 5.91 | 8 | 0 | 0 | 0 | 0 | 10.2 | 12 | 7 | 3 | 2 | 2 |
| 1991 | SDN | NL | 1 | 0 | 3.09 | 27 | 0 | 0 | 0 | 0 | 35.0 | 37 | 12 | 2 | 17 | 24 |
| 1988–1991 | 11 | 6 | 2.97 | 119 | 0 | 0 | 0 | 4 | 157.2 | 141 | 52 | 13 | 64 | 104 |