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| First Basemen Career Batting Average Leaderboard | |
| * - Indicates Hall of Fame Bold - Indicates active player |
| Rank | Player | Batting Average | PA | Years | Single Season Leaderboard |
| 1. | Michael Giroux | .3280 | 3818 | 2009-2014 | |
| 2. | Taitarou Haranobu | .3100 | 4083 | 2009-2014 | |
| 3. | Guy Gillham | .3028 | 3819 | 2009-2014 | |
| 4. | Michael Bailey | .2859 | 3507 | 2009-2014 | |
| 5. | Glenn Knapp | .2763 | 4130 | 2009-2014 | |
| 6. | Aran Takafumi | .2741 | 3286 | 2009-2014 | |
| 7. | Tomas Nelson | .2728 | 3643 | 2009-2014 | |
| 8. | Bill Souder | .2663 | 3881 | 2009-2014 | |
| 9. | Kenny Blumberg | .2633 | 3979 | 2009-2014 | |
| 10. | Mike Chisholm | .2593 | 3863 | 2009-2014 | |
| 11. | Ted Pauling | .2584 | 3019 | 2009-2014 | |
| 12. | Emil Villarreal | .2208 | 3020 | 2009-2014 |
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