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| Second Basemen Single-Season Batting Average Leaderboard | |
| * - Indicates Hall of Fame
+ - indicates hit-less at-bats added to meet 502PA requirement. |
| Rank | Player | Batting Average | PA | Year | |
| 1. | Fred Dunlap | .3085 | 630 | 1884 | |
| 2. | Bid McPhee | .2888 | 610 | 1884 | |
| 3. | Buck Ewing | .2791 | 639 | 1884 | |
| 4. | Ed Andrews | .2453 | 557 | 1884 | |
| 5. | Mike Moynahan | .2422+ | 469 | 1884 | |
| 6. | Frank McLaughlin | .2319+ | 495 | 1884 | |
| 7. | Jack Farrell | .2231 | 657 | 1884 | |
| 8. | Tim Manning | .1933 | 628 | 1884 | |
| 9. | Sam Barkley | .1904+ | 389 | 1884 | |
| 10. | Sam Trott | .1770+ | 382 | 1884 |
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