| Career - Worst OPS | |||
| Rk | Player Name | Totals | |
| 1 | Johnny Estrada | 0.570 | |
| 2 | Jon Jay | 0.597 | |
| 3 | Neifi Perez | 0.607 | |
| 4 | Ha-Seong Kim | 0.613 | |
| 5 | Dee Gordon | 0.618 | |
| 6 | Todd Helton | 0.619 | |
| 7 | Ben Revere | 0.622 | |
| 8 | Conor Jackson | 0.649 | |
| 9 | Thairo Estrada | 0.653 | |
| 10 | Ricky Gutierrez | 0.656 | |
| 11 | J.T. Realmuto | 0.663 | |
| 12 | Darryl Hamilton | 0.671 | |
| 13 | Placido Polanco | 0.678 | |
| 14 | Melky Cabrera | 0.679 | |
| 15 | Bryan De La Cruz | 0.679 | |
| 16 | Ramon Urias | 0.682 | |
| 17 | Carlos Gomez | 0.689 | |
| 18 | Ketel Marte | 0.696 | |
| 19 | Harold Castro | 0.697 | |
| 20 | Jamey Carroll | 0.698 | |
| 21 | Willie McGee | 0.703 | |
| 22 | David Peralta | 0.708 | |
| 23 | Ben Gamel | 0.711 | |
| 24 | Ivan Rodriguez | 0.715 | |
| 25 | Dave Magadan | 0.716 | |
| Single Season - Worst OPS | |||||
| Rk | Player Name | Totals | Year | ||
| 1 | Ken Griffey Jr | 0.290 | 1993 | ||
| 2 | Dee Gordon | 0.509 | 2019 | ||
| 3 | Adam Haseley | 0.522 | 2021 | ||
| 4 | Michael Young | 0.528 | 2014 | ||
| 5 | Matt Nokes | 0.545 | 1993 | ||
| 6 | Nick Punto | 0.545 | 2014 | ||
| 7 | Munenori Kawasaki | 0.553 | 2015 | ||
| 8 | Freddy Galvis | 0.555 | 2017 | ||
| 9 | Adonis Garcia | 0.563 | 2017 | ||
| 10 | Thairo Estrada | 0.568 | 2023 | ||
| 11 | Rajai Davis | 0.575 | 2011 | ||
| 12 | Neifi Perez | 0.576 | 2000 | ||
| 13 | Dee Gordon | 0.585 | 2018 | ||
| 14 | Dave Magadan | 0.589 | 1992 | ||
| 15 | Ketel Marte | 0.589 | 2018 | ||
| 16 | Ben Revere | 0.590 | 2014 | ||
| 17 | Brandon Moss | 0.594 | 2017 | ||
| 18 | Darryl Hamilton | 0.595 | 1995 | ||
| 19 | Johnny Estrada | 0.598 | 2007 | ||
| 20 | Chili Davis | 0.602 | 1993 | ||
| 21 | Melky Cabrera | 0.609 | 2014 | ||
| 22 | Ben Revere | 0.609 | 2015 | ||
| 23 | Scooter Gennett | 0.611 | 2017 | ||
| 24 | J.T. Realmuto | 0.611 | 2018 | ||
| 25 | Ha-Seong Kim | 0.611 | 2024 | ||