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| Third Basemen Single-Season Slugging Pct Leaderboard | |
| * - Indicates Hall of Fame
+ - indicates hit-less at-bats added to meet 502PA requirement. |
| Rank | Player | Slugging Pct | PA | Year | |
| 1. | King Kelly | .4351 | 649 | 1884 | |
| 2. | Ezra Sutton | .3746 | 634 | 1884 | |
| 3. | Dude Esterbrook | .3675 | 604 | 1884 | |
| 4. | Billy O'Brien | .3670 | 608 | 1884 | |
| 5. | Jumbo Davis | .3541 | 519 | 1884 | |
| 6. | Jerry Denny | .3454 | 642 | 1884 | |
| 7. | Piggy Ward | .3358 | 645 | 1884 | |
| 8. | Joe Farrell | .3244 | 618 | 1884 | |
| 9. | Jim Tipper | .3242+ | 484 | 1884 | |
| 10. | Mike Muldoon | .3137 | 544 | 1884 | |
| 11. | Elmer Cleveland | .3088+ | 453 | 1884 | |
| 12. | Hick Carpenter | .2954 | 709 | 1884 | |
| 13. | Deacon White | .2927 | 530 | 1884 | |
| 14. | Billy Nash | .2296+ | 381 | 1884 | |
| 15. | Joe Battin | .2188 | 719 | 1884 | |
| 16. | Frank Ringo | .2185+ | 433 | 1884 | |
| 17. | Herm Doscher | .2158 | 583 | 1884 |
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