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| First Basemen Career Fielding Pct Leaderboard | |
| * - Indicates Hall of Fame Bold - Indicates active player |
| Rank | Player | Fielding Pct | IP | Years | Single Season Leaderboard |
| 1. | Emil Villarreal | .9961 | 6194.0 | 2009-2014 | |
| 2. | Mike Chisholm | .9950 | 7809.7 | 2009-2014 | |
| 3. | Glenn Knapp | .9947 | 8244.7 | 2009-2014 | |
| 4. | Kenny Blumberg | .9946 | 8080.0 | 2009-2014 | |
| 5. | Michael Giroux | .9945 | 7312.3 | 2009-2014 | |
| 6. | Tomas Nelson | .9943 | 7270.0 | 2009-2014 | |
| 7. | Michael Bailey | .9942 | 7131.6 | 2009-2014 | |
| 8. | Taitarou Haranobu | .9940 | 6611.1 | 2009-2013 | |
| 9. | Bill Souder | .9929 | 8001.0 | 2009-2014 | |
| 10. | Guy Gillham | .9928 | 7420.6 | 2009-2014 |
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