| Career - Worst On-Base | |||
| Rk | Player Name | Totals | |
| 1 | Patrick Bailey | 0.261 | |
| 2 | Matt Chapman | 0.274 | |
| 3 | Andres Gimenez | 0.280 | |
| 4 | Sandy Alomar | 0.290 | |
| 5 | Alcides Escobar | 0.298 | |
| 6 | Aramis Ramirez | 0.299 | |
| 7 | Franmil Reyes | 0.300 | |
| 8 | Amed Rosario | 0.300 | |
| 9 | Jason Kendall | 0.302 | |
| 10 | Raimel Tapia | 0.306 | |
| 11 | Jay Bruce | 0.312 | |
| 12 | Nick Castellanos | 0.316 | |
| 13 | Cesar Hernandez | 0.317 | |
| 14 | Curtis Granderson | 0.318 | |
| 15 | Eric Hosmer | 0.319 | |
| 16 | Ender Inciarte | 0.322 | |
| 17 | Asdrubal Cabrera | 0.324 | |
| 18 | Richie Sexson | 0.325 | |
| 19 | Carlos Santana | 0.326 | |
| 20 | Francisco Lindor | 0.326 | |
| 21 | Rondell White | 0.328 | |
| 22 | Neil Walker | 0.328 | |
| 23 | Nick Markakis | 0.333 | |
| 24 | Juan Gonzalez | 0.336 | |
| 25 | Omar Vizquel | 0.336 | |
| Single Season - Worst On-Base | |||||
| Rk | Player Name | Totals | Year | ||
| 1 | Corey Patterson | 0.221 | 2002 | ||
| 2 | Patrick Bailey | 0.235 | 2024 | ||
| 3 | Sandy Alomar | 0.240 | 1999 | ||
| 4 | Connor Norby | 0.247 | 2025 | ||
| 5 | Vernon Wells | 0.252 | 2003 | ||
| 6 | Bo Bichette | 0.257 | 2025 | ||
| 7 | Matt Chapman | 0.262 | 2022 | ||
| 8 | Andres Gimenez | 0.263 | 2024 | ||
| 9 | Leonys Martin | 0.266 | 2014 | ||
| 10 | Yasiel Puig | 0.272 | 2020 | ||
| 11 | Dan Uggla | 0.273 | 2012 | ||
| 12 | Kevin Kiermaier | 0.276 | 2016 | ||
| 13 | Bret Boone | 0.277 | 1999 | ||
| 14 | Raimel Tapia | 0.277 | 2022 | ||
| 15 | John Valentin | 0.279 | 1999 | ||
| 16 | Ryan Klesko | 0.280 | 1995 | ||
| 17 | Anthony Rizzo | 0.281 | 2014 | ||
| 18 | MJ Melendez | 0.283 | 2024 | ||
| 19 | Mark Teixeira | 0.286 | 2012 | ||
| 20 | Matt Chapman | 0.286 | 2024 | ||
| 21 | Asdrubal Cabrera | 0.287 | 2011 | ||
| 22 | Patrick Bailey | 0.287 | 2025 | ||
| 23 | Lucas Duda | 0.289 | 2016 | ||
| 24 | Eric Hosmer | 0.289 | 2019 | ||
| 25 | Maikel Franco | 0.289 | 2021 | ||