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| First Basemen Career Range Leaderboard | |
| * - Indicates Hall of Fame Bold - Indicates active player |
| Rank | Player | Range | IP | Years | Single Season Leaderboard |
| 1. | Kenny Blumberg | 10.05 | 8080.0 | 2009-2014 | |
| 2. | Emil Villarreal | 9.96 | 6194.0 | 2009-2014 | |
| 3. | Taitarou Haranobu | 9.89 | 6611.1 | 2009-2013 | |
| 4. | Bill Souder | 9.80 | 8001.0 | 2009-2014 | |
| 5. | Michael Giroux | 9.73 | 7312.3 | 2009-2014 | |
| 6. | Glenn Knapp | 9.69 | 8244.7 | 2009-2014 | |
| 7. | Michael Bailey | 9.58 | 7131.6 | 2009-2014 | |
| 8. | Guy Gillham | 9.52 | 7420.6 | 2009-2014 | |
| 9. | Mike Chisholm | 9.38 | 7809.7 | 2009-2014 | |
| 10. | Tomas Nelson | 9.27 | 7270.0 | 2009-2014 |
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