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| First Basemen Career On-Base Pct Leaderboard | |
| * - Indicates Hall of Fame Bold - Indicates active player |
| Rank | Player | On-Base Pct | PA | Years | Single Season Leaderboard |
| 1. | Arweogast Belaraviel * | .3998 | 4410 | 2003-2009 | |
| 2. | Ceonvan Fleam | .3801 | 4395 | 2006-2012 | |
| 3. | Galeoman Elvér | .3692 | 3072 | 2005-2010 | |
| 4. | Tavlla Legilmaldor | .3618 | 3422 | 2003-2009 | |
| 5. | Elrealob Elrauhil | .3612 | 3160 | 2003-2008 | |
| 6. | Lasil Ironmaster | .3561 | 4931 | 2003-2010 | |
| 7. | Golligast Gandulbo | .3531 | 5425 | 2004-2012 | |
| 8. | Cinquefoil Boartooth | .3514 | 3483 | 2007-2012 | |
| 9. | Imredoc Gwildur | .3473 | 4091 | 2005-2012 | |
| 10. | Ruzdreg The Basher | .3446 | 3236 | 2007-2012 | |
| 11. | Gandaugrin Gamaiborn | .3418 | 5688 | 2003-2012 | |
| 12. | Razrhot The Smasher | .3416 | 5002 | 2005-2012 | |
| 13. | Myrtai Elvywyn | .3361 | 4244 | 2003-2011 | |
| 14. | Galaigast Faromli | .3279 | 4329 | 2005-2012 | |
| 15. | Galogorn Elvol | .3267 | 3272 | 2003-2011 | |
| 16. | Hafur Goblincrusher | .3259 | 5288 | 2003-2011 | |
| 17. | Smeg Dwarftopper | .3238 | 4450 | 2006-2012 | |
| 18. | Binus Anvilworker | .3157 | 6210 | 2003-2012 | |
| 19. | Bifur Thunderarrow | .3135 | 3014 | 2008-2012 | |
| 20. | Valin Graniteslinger | .2968 | 5149 | 2005-2012 |
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