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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OPS | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Bartolo Valentín# | 1.4675 | 2018 | |
| 2 | Bartolo Valentín# | 1.4482 | 2015 | |
| 3 | Manuel Aguilar# | 1.2764 | 2017 | |
| 4 | Bill McIntyre# | 1.2527 | 2019 | |
| 5 | Carlos Ávila# | 1.2441 | 2018 | |
| 6 | Kieran Alexander# | 1.2371 | 2025 | |
| 7 | Octávio García# | 1.2228 | 2012 | |
| 8 | Mark Roberts# | 1.2163 | 2017 | |
| 9 | Elvis McNeil | 1.2096 | 2018 | |
| 10 | Dave Mills | 1.2033 | 2018 | |
| 11 | Jeffrey Henderson# | 1.1972 | 2019 | |
| 12 | Anthony Walker# | 1.1769 | 2018 | |
| 13 | Tom Hughes# | 1.1692 | 2015 | |
| 14 | Ben Summers# | 1.1683 | 2017 | |
| 15 | Roosevelt Bond | 1.1627 | 2012 | |
| 16 | Bartolo Valentín# | 1.1588 | 2017 | |
| 16 | Ray Simpson | 1.1588 | 2018 | |
| 18 | Brooks Petersen | 1.1410 | 2015 | |
| 19 | António Gonzáles# | 1.1400 | 2020 | |
| 20 | Mason Eilers# | 1.1146 | 2016 | |
| 21 | Kieran Alexander# | 1.1140 | 2026 | |
| 22 | Rob Burns | 1.1051 | 2016 | |
| 23 | Andrew Weber# | 1.1041 | 2017 | |
| 24 | Alfonso Emesto | 1.1005 | 2018 | |
| 25 | Darren Cunningham# | 1.0993 | 2019 | |
| 26 | Austin Ward | 1.0979 | 2020 | |
| 27 | Dan Savage# | 1.0937 | 2016 | |
| 28 | Lúcio Martínez | 1.0919 | 2018 | |
| 29 | Bartolo Valentín# | 1.0801 | 2016 | |
| 30 | Everett O'Rorke | 1.0774 | 2016 | |
| 31 | Bill McIntyre# | 1.0768 | 2017 | |
| 32 | Carlos Cantú# | 1.0745 | 2019 | |
| 33 | Ray Simpson | 1.0712 | 2017 | |
| 34 | Mark Rigden# | 1.0637 | 2022 | |
| 35 | Jack McDonald# | 1.0579 | 2021 | |
| 36 | Troy Hood# | 1.0548 | 2027 | |
| 37 | Octávio García# | 1.0527 | 2013 | |
| 38 | Ron Williams# | 1.0526 | 2017 | |
| 39 | Elvis McNeil | 1.0519 | 2017 | |
| 40 | Tony Negrete | 1.0515 | 2016 | |
| 41 | Joe Calhoun | 1.0503 | 2012 | |
| 42 | Elvis McNeil | 1.0490 | 2019 | |
| 43 | Bill McIntyre# | 1.0475 | 2018 | |
| 44 | Willie Butler# | 1.0459 | 2026 | |
| 45 | Carlos Cantú# | 1.0393 | 2020 | |
| 46 | Michael Warren# | 1.0355 | 2015 | |
| 47 | Jesús Vargas | 1.0349 | 2015 | |
| 48 | Brooks Petersen | 1.0244 | 2014 | |
| 49 | Bob Hayes# | 1.0240 | 2015 | |
| 50 | Len Stephens | 1.0232 | 2016 | |
| 51 | Michael Warren# | 1.0121 | 2014 | |
| 52 | Sergio Aragón# | 1.0113 | 2021 | |
| 53 | Armando Velásquez | 1.0110 | 2013 | |
| 53 | Nick Holmes# | 1.0110 | 2015 | |
| 55 | Marcos Deleón | 1.0090 | 2012 | |
| 56 | Carlos Cantú# | 1.0089 | 2021 | |
| 57 | Carlos Ávila# | 1.0079 | 2017 | |
| 58 | Roberto Trevino# | 1.0047 | 2023 | |
| 59 | Joe Burke# | 1.0023 | 2022 | |
| 60 | Henry Pike | .0000 | 2018 | |
| 61 | Mike Gilmore | .9959 | 2017 | |
| 62 | Carlos Flores# | .9933 | 2021 | |
| 63 | Monte Irvin# | .9862 | 2022 | |
| 64 | Edison Weldon# | .9860 | 2026 | |
| 65 | Matt Crowe | .9780 | 2017 | |
| 66 | Kieran Alexander# | .9728 | 2024 | |
| 67 | Justin Dixon# | .9713 | 2028 | |
| 68 | Will Harris | .9703 | 2013 | |
| 69 | Júlio Amador# | .9697 | 2028 | |
| 70 | Nick Holmes# | .9684 | 2012 | |
| 71 | Mike Anderson# | .9666 | 2019 | |
| 72 | Kel Mack# | .9664 | 2017 | |
| 73 | Derrek Anderson# | .9655 | 2020 | |
| 74 | Greg Morgan | .9635 | 2014 | |
| 75 | Aaron Mathews# | .9631 | 2022 | |
| 75 | Mike Anderson# | .9631 | 2017 | |
| 77 | Roy Sanderson# | .9609 | 2027 | |
| 78 | Kenny Harrison | .9592 | 2013 | |
| 79 | Kelly Simmons | .9580 | 2012 | |
| 80 | Iván Rodríguez# | .9566 | 2021 | |
| 81 | Mark Rigden# | .9525 | 2024 | |
| 82 | Jim Richter | .9515 | 2013 | |
| 83 | José Souza# | .9511 | 2017 | |
| 84 | Tim Raines# | .9508 | 2012 | |
| 85 | António Villarreal# | .9491 | 2021 | |
| 86 | Dillon Lawson | .9480 | 2017 | |
| 86 | Darren Cunningham# | .9480 | 2018 | |
| 88 | Kenny Harrison | .9464 | 2014 | |
| 89 | Bill Turner | .9449 | 2013 | |
| 90 | Roberto Trevino# | .9437 | 2022 | |
| 91 | Ron Williams# | .9424 | 2018 | |
| 92 | Brooks Petersen | .9413 | 2012 | |
| 93 | Len Stephens | .9397 | 2014 | |
| 94 | Mike Anderson# | .9381 | 2018 | |
| 95 | Mike Young# | .9371 | 2019 | |
| 96 | Bill Wilcox# | .9368 | 2018 | |
| 97 | Abel McClure | .9299 | 2014 | |
| 98 | Sergio Aragón# | .9288 | 2019 | |
| 99 | Sergio Aragón# | .9270 | 2020 | |
| 100 | Abel McClure | .9204 | 2012 |
