Les signed with the NBA's Charlotte Hornets on August 29, 1990 but was waived before the regular season on October 23, 1990. On December 31, Les signed with the Sacramento Kings. Following two ten-day contracts, Les signed with the Kings for the rest of the season on January 20, 1991. With the Kings that season, Les reached career highs in scoring average (7.2 PPG), assists (5.4 APG), steals (1.04 SPG) and field goal percentage (.444), while also leading the league in three-point field goal percentage (.461). The following year, he was runner-up to Craig Hodges in the AT&T Long Distance Shootout contest. Les played over 200 games for the Kings over 4 seasons before the team waived him on January 9, 1994.