John Costello
| Team | Age | Year of Death | Team Name | Last Name | First Name | Name Given | Hits |
At Bats | Home Runs | RBI | Batting Average | Errors | Position | Double Plays | Assists |
Wins | Losses | Games pitched in | Strikeouts | Shutouts |
| St. Louis Cardinals 1988 | 66 | | St. Louis Cardinals | Costello | John | John Reilly | 0 | 5 | 0 | 0 | 0.000% | 0 | P | 0 | 3 | 5 | 2 | 36 | 38 | 0 |
| St. Louis Cardinals 1989 | 66 | | St. Louis Cardinals | Costello | John | John Reilly | 0 | 6 | 0 | 0 | 0.000% | 0 | P | 0 | 4 | 5 | 4 | 48 | 40 | 0 |
| Montreal Expos 1990 | 66 | | Montreal Expos | Costello | John | John Reilly | 0 | 0 | 0 | 0 | nan% | 0 | P | 0 | 0 | 0 | 0 | 4 | 1 | 0 |
| St. Louis Cardinals 1990 | 66 | | St. Louis Cardinals | Costello | John | John Reilly | 0 | 0 | 0 | 0 | nan% | 0 | P | 0 | 0 | 0 | 0 | 4 | 1 | 0 |
| San Diego Padres 1991 | 66 | | San Diego Padres | Costello | John | John Reilly | 0 | 1 | 0 | 0 | 0.000% | 0 | P | 0 | 5 | 1 | 0 | 27 | 24 | 0 |
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