 |
|
|
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Player | From-To | W | L | Pct | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Addisu Jabir | 1988-1988 | 0 | 0 | .000 | 5.40 | 3 | 0 | 0 | 0 | 0 | 5.0 | 8 | 3 | 0 | 1 | 3 |
| Reginaldo Jacopino | 1968-1968 | 0 | 0 | .000 | 3.86 | 1 | 0 | 0 | 0 | 0 | 2.1 | 4 | 1 | 0 | 0 | 1 |
| Michel Jacquin | 1968-1976 | 0 | 0 | .000 | 4.72 | 7 | 0 | 0 | 0 | 0 | 13.1 | 12 | 7 | 0 | 7 | 13 |
| Lukas Janosi | 1988-1988 | 1 | 0 | 1.000 | 10.13 | 3 | 0 | 0 | 0 | 0 | 5.1 | 11 | 6 | 1 | 3 | 3 |
| Rien Jans | 1968-1976 | 0 | 0 | .000 | 0.00 | 5 | 0 | 0 | 0 | 1 | 6.2 | 9 | 0 | 0 | 2 | 5 |
| Domingo Jáquez | 1972-1972 | 0 | 1 | .000 | 10.80 | 2 | 0 | 0 | 0 | 1 | 3.1 | 4 | 4 | 1 | 0 | 1 |
| Mark Jardine | 1984-1984 | 1 | 0 | 1.000 | 5.68 | 3 | 0 | 0 | 0 | 1 | 6.1 | 10 | 4 | 1 | 1 | 1 |
| Will Jardine | 1976-1976 | 0 | 0 | .000 | 18.00 | 1 | 0 | 0 | 0 | 0 | 1.0 | 3 | 2 | 1 | 1 | 0 |
| Oleg Jezek | 1968-1968 | 0 | 0 | .000 | 0.00 | 1 | 0 | 0 | 0 | 1 | 1.0 | 2 | 0 | 0 | 0 | 2 |
| Ángel Jiménez | 1968-1968 | 0 | 0 | .000 | 0.00 | 1 | 0 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 2 | 1 |
| Héctor Jiménez | 1984-1984 | 0 | 0 | .000 | 1.35 | 2 | 1 | 0 | 0 | 0 | 6.2 | 5 | 1 | 1 | 0 | 4 |
| Raúl Jiménez | 1964-1964 | 0 | 1 | .000 | 13.50 | 2 | 2 | 0 | 0 | 0 | 6.0 | 12 | 9 | 0 | 7 | 4 |
| Duncan Johnson | 1988-1988 | 0 | 2 | .000 | 8.00 | 3 | 3 | 0 | 0 | 0 | 9.0 | 13 | 8 | 1 | 5 | 7 |
| Rod Johnston | 1960-1960 | 0 | 2 | .000 | 4.50 | 2 | 2 | 0 | 0 | 0 | 6.0 | 10 | 3 | 2 | 6 | 4 |
| Stéphane Joly | 1980-1984 | 0 | 0 | .000 | 12.34 | 8 | 0 | 0 | 0 | 1 | 11.2 | 14 | 16 | 0 | 13 | 7 |
| Dale Jones | 1960-1960 | 0 | 0 | .000 | 11.57 | 1 | 1 | 0 | 0 | 0 | 4.2 | 8 | 6 | 1 | 2 | 2 |
| Dustin Jones | 1960-1960 | 1 | 0 | 1.000 | 12.60 | 3 | 0 | 0 | 0 | 0 | 5.0 | 7 | 7 | 0 | 3 | 4 |
| Ken Jones | 1984-1984 | 0 | 0 | .000 | 38.57 | 4 | 0 | 0 | 0 | 0 | 2.1 | 7 | 10 | 0 | 13 | 2 |
| Mariano Juárez | 1980-1980 | 0 | 0 | .000 | 7.36 | 2 | 0 | 0 | 0 | 1 | 3.2 | 4 | 3 | 0 | 3 | 1 |
