1990–91 Australian Baseball League season
The 1990–91 Australian Baseball League championship was won by Perth Heat who defeated the Daikyo Dolphins 3–2 in the 5 game championship series.
Ladder
Championship series
Final Series: Game 1: 1st Vs 2nd at [Parry Field]
Final Series: Game 2: 1st Vs 2nd at Parry Field
Final Series: Game 3: 1st Vs 2nd at [Palm Meadows]
Final Series: Game 4: 1st Vs 2nd at Palm Meadows
Final Series: Game 5: 1st Vs 2nd at Palm Meadows
Awards
Top Stats
| Name | Wins | Losses | Saves | ERA |
| Dave Rusin | 3 | 1 | 0 | 1.80 |
| Graeme Lloyd | 9 | 4 | 0 | 2.62 |
| Simon Eissens | 4 | 1 | 0 | 2.81 |
| Pat Leinen | 11 | 3 | 0 | 2.86 |
| Parris Mitchell | 5 | 2 | 1 | 3.76 |
| Todd Stephan | 8 | 3 | 2 | 5.34 |
| Name | Avg | HR | RBI |
| T.R. Lewis | .394 | 5 | 32 |
| Tony Adamson | .379 | 17 | 54 |
| Tim Holland | .370 | 7 | 39 |
| James Waddell | .329 | 1 | 14 |
| Shaun Hrabar | .303 | 0 | 7 |
| Michael Moyle | .295 | 5 | 25 |