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| First Basemen Single-Season Errors Leaderboard | |
| * - Indicates Hall of Fame |
| Rank | Player | Errors | IP | Year | |
| 1. | Jim Tray | 13 | 1238.7 | 1884 | |
| 2. | Harry Stovey | 18 | 1340.3 | 1884 | |
| 3. | Sid Farrar | 19 | 1138.3 | 1884 | |
| 4. | John Morrill | 20 | 1322.7 | 1884 | |
| Roger Connor | 20 | 1077.0 | 1884 | ||
| 6. | Dan Brouthers | 23 | 1291.3 | 1884 | |
| Charlie Comiskey | 23 | 1201.3 | 1884 | ||
| 8. | Martin Powell | 26 | 1298.3 | 1884 | |
| 9. | Dave Orr | 28 | 1362.7 | 1884 | |
| 10. | John Reilly | 29 | 1345.3 | 1884 | |
| 11. | Wally Andrews | 33 | 1366.0 | 1884 | |
| 12. | Ed Swartwood | 35 | 1322.3 | 1884 |
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