| Career - Worst Slugging | |||
| Rk | Player Name | Totals | |
| 1 | Dick Schofield | 0.269 | |
| 2 | Steve Sax | 0.364 | |
| 3 | Brook Jacoby | 0.365 | |
| 4 | Don Mattingly | 0.373 | |
| 5 | Dexter Fowler | 0.382 | |
| 6 | Dave Martinez | 0.383 | |
| 7 | Devon White | 0.383 | |
| 8 | Orlando Hudson | 0.386 | |
| 9 | Francisco Cervelli | 0.391 | |
| 10 | Kevin Plawecki | 0.392 | |
| 11 | Mike Greenwell | 0.393 | |
| 12 | Seth Smith | 0.396 | |
| 13 | Gregg Jefferies | 0.403 | |
| 14 | Derek Dietrich | 0.418 | |
| 15 | Darin Erstad | 0.420 | |
| 16 | Eugenio Suarez | 0.420 | |
| 17 | Elijah Dukes | 0.422 | |
| 18 | Troy O'Leary | 0.424 | |
| 19 | Craig Biggio | 0.427 | |
| 20 | Mike Piazza | 0.427 | |
| 21 | Al Martin | 0.428 | |
| 22 | B.J. Surhoff | 0.429 | |
| 23 | Hanley Ramirez | 0.429 | |
| 24 | Danny Jansen | 0.430 | |
| 25 | Tino Martinez | 0.432 | |
| Single Season - Worst Slugging | |||||
| Rk | Player Name | Totals | Year | ||
| 1 | Lance Johnson | 0.207 | 1993 | ||
| 2 | TONY GWYNN | 0.250 | 1993 | ||
| 3 | Manny Lee | 0.258 | 1993 | ||
| 4 | Don Mattingly | 0.268 | 1993 | ||
| 5 | Ron Karkovice | 0.279 | 1993 | ||
| 6 | Don Mattingly | 0.279 | 1992 | ||
| 7 | Dick Schofield | 0.296 | 1991 | ||
| 8 | Dave Martinez | 0.311 | 1990 | ||
| 9 | Jon Berti | 0.316 | 2021 | ||
| 10 | Craig Biggio | 0.317 | 1991 | ||
| 11 | Devon White | 0.333 | 1995 | ||
| 12 | Brook Jacoby | 0.338 | 1990 | ||
| 13 | KEVIN MITCHELL | 0.338 | 1993 | ||
| 14 | Todd Zeile | 0.343 | 1992 | ||
| 15 | Don Mattingly | 0.345 | 1991 | ||
| 16 | Seth Smith | 0.346 | 2015 | ||
| 17 | Craig Biggio | 0.350 | 1993 | ||
| 18 | Jeff King | 0.350 | 1996 | ||
| 19 | TONY GWYNN | 0.355 | 1992 | ||
| 20 | Mike Greenwell | 0.356 | 1991 | ||
| 21 | Steve Sax | 0.356 | 1991 | ||
| 22 | Steve Sax | 0.360 | 1992 | ||
| 23 | Henry Cotto | 0.362 | 1990 | ||
| 24 | Jean Segura | 0.362 | 2014 | ||
| 25 | Mike Greenwell | 0.364 | 1992 | ||