His son Rashawn Slater was a first round draft choice by the Los Angeles Chargers.

RJ played football for the Air Force Academy in 2014–2018.

Slater was not selected in the 1992 NBA draft and played professionally in Spain for two years before being signed by the Denver Nuggets in 1994.

[1] Slater played in eight NBA seasons for the Nuggets, Portland Trail Blazers, Dallas Mavericks, Toronto Raptors, Minnesota Timberwolves, New Jersey Nets and Atlanta Hawks from 1994 to 1999 and 2000–2003.

[3] His best NBA season came during the 1997–98 NBA season as a member of the Raptors, where he appeared in 78 games and averaged 8.0 points, 3.9 rebounds, 0.9 assists, 0.6 steals and 0.4 blocks in 21.3 minutes per game, all career bests except for blocks.