| Career - Worst On-Base | |||
| Rk | Player Name | Totals | |
| 1 | Ozzie Guillen | 0.282 | |
| 2 | Bobby Witt Jr | 0.284 | |
| 3 | Shane Mack | 0.286 | |
| 4 | Juan Gonzalez | 0.289 | |
| 5 | Bobby Dalbec | 0.295 | |
| 6 | Joey Wendle | 0.295 | |
| 7 | Josh Harrison | 0.299 | |
| 8 | Jim Leyritz | 0.308 | |
| 9 | Odubel Herrera | 0.309 | |
| 10 | Robinson Cano | 0.310 | |
| 11 | Omar Vizquel | 0.312 | |
| 12 | Teoscar Hernandez | 0.316 | |
| 13 | Marlon Byrd | 0.317 | |
| 14 | Tucker Barnhart | 0.318 | |
| 15 | Sean Berry | 0.320 | |
| 16 | Tyler Stephenson | 0.321 | |
| 17 | Brad Miller | 0.324 | |
| 18 | Yunel Escobar | 0.325 | |
| 19 | Julio Y. Rodriguez | 0.327 | |
| 20 | Todd Hundley | 0.329 | |
| 21 | Milton Bradley | 0.330 | |
| 22 | Lorenzo Cain | 0.330 | |
| 23 | Jhonny Peralta | 0.330 | |
| 24 | Daniel Descalso | 0.331 | |
| 25 | Brian McCann | 0.332 | |
| Single Season - Worst On-Base | |||||
| Rk | Player Name | Totals | Year | ||
| 1 | Shane Mack | 0.171 | 1993 | ||
| 2 | Jim Leyritz | 0.174 | 1993 | ||
| 3 | Juan Gonzalez | 0.251 | 1993 | ||
| 4 | Ozzie Guillen | 0.259 | 1990 | ||
| 5 | Bobby Dalbec | 0.260 | 2022 | ||
| 6 | Marlon Byrd | 0.262 | 2016 | ||
| 7 | Jake Marisnick | 0.267 | 2018 | ||
| 8 | Bobby Witt Jr | 0.268 | 2023 | ||
| 9 | Charlie Culberson | 0.274 | 2019 | ||
| 10 | Teoscar Hernandez | 0.278 | 2024 | ||
| 11 | James McCann | 0.279 | 2020 | ||
| 12 | Nolan Gorman | 0.279 | 2024 | ||
| 13 | Pat Valaika | 0.281 | 2018 | ||
| 14 | Lorenzo Cain | 0.281 | 2020 | ||
| 15 | Pedro Munoz | 0.288 | 1995 | ||
| 16 | Craig A. Wilson | 0.288 | 2005 | ||
| 17 | Jhonny Peralta | 0.289 | 2014 | ||
| 18 | Roberto Perez | 0.289 | 2015 | ||
| 19 | Marty Cordova | 0.290 | 1996 | ||
| 20 | Joey Wendle | 0.290 | 2022 | ||
| 21 | Teoscar Hernandez | 0.291 | 2021 | ||
| 22 | Robinson Cano | 0.295 | 2006 | ||
| 23 | Luke Voit | 0.296 | 2021 | ||
| 24 | Logan O'Hoppe | 0.297 | 2024 | ||
| 25 | Bobby Witt Jr | 0.298 | 2024 | ||