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| Left Fielders Single-Season OPS Leaderboard | |
| * - Indicates Hall of Fame
+ - indicates hit-less at-bats added to meet 502PA requirement. |
| Rank | Player | OPS | PA | Year | |
| 1. | Harry Moore | .7335 | 572 | 1884 | |
| 2. | Podge Weihe | .7298 | 616 | 1884 | |
| 3. | Joe Quinn | .7213 | 656 | 1884 | |
| 4. | George Gore | .7134 | 710 | 1884 | |
| 5. | Fred Lewis | .6906 | 669 | 1884 | |
| 6. | Tom York | .6788 | 554 | 1884 | |
| 7. | Jack Manning | .6546 | 534 | 1884 | |
| 8. | Pete Gillespie | .6380 | 646 | 1884 | |
| 9. | Cliff Carroll | .6287 | 656 | 1884 | |
| 10. | Chief Roseman | .5795 | 611 | 1884 | |
| 11. | Ernie Burch | .4944 | 528 | 1884 | |
| 12. | Emmett Seery | .4794+ | 450 | 1884 |
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