JC
1988–1991 · P
John Costello
6' 1", 190 lbs·Lived to 66·Bats R / Throws R
The Almanac's Take
AI-generated analysis coming soon.
Career Highs
3.32
Best ERA · 1989
5
Most W · 1989
40
Most K · 1989
1.091
Best WHIP · 1989
Career Arc · ERA
4 seasonsStatistical Comps
Career · Pitching
4 seasons| Year | Team | G | IP | W | L | ERA | ERA+ | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|
| 1988 | STL | 36 | 49.7 | 5 | 2 | 1.81 | 206 | 38 | 1.389 |
| 1989 | STL | 48 | 62.3 | 5 | 4 | 3.32 | 111 | 40 | 1.091 |
| 1990 | MON | 8 | 10.7 | 0 | 0 | 5.91 | 65 | 2 | 1.313 |
| 1991 | SD | 27 | 35.0 | 1 | 0 | 3.09 | 127 | 24 | 1.543 |
| Career | 119 | 157.7 | 11 | 6 | — | — | 104 | — | |
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