He played college basketball for MCC–Penn Valley and Alabama State before gaining notoriety as a streetball player in New York City.
[3] As a freshman in 1995–96, he helped Penn Valley win the NJCAA Division II men's basketball championship before being named a JUCO first-team All-American as a sophomore.
[3] Coming out of the small Division I school, Williams had no connections to professional basketball and played streetball in New York City, where he was given the nickname "Homicide".
[5] Williams made his professional debut during the 1999–2000 International Basketball Association season, where he had a brief stint with the Dakota Wizards.
[6] After a year touring with the Harlem Globetrotters,[7] he played for Club San Carlos in the Dominican Republic and the Brooklyn Kings of the United States Basketball League during the 2000–01 season.
[9] After spending time with the Denver Nuggets during the 2004 off-season,[10] Williams played for Yunnan Honghe of the Chinese Basketball Association during the 2004–05 season.
[13] After spending his summer in 2005 working the competition on the streets of New York City, Williams was noticed by Toronto Raptors assistant coach Jim Todd.
[17] On November 3, 2005, Williams was selected by the Austin Toros in the ninth round of the 2005 NBA Development League draft.
[19] In December 2005, he signed with Sellbytel Baskets Nürnberg of the German Basketball Bundesliga, but left the team after appearing in just three games due to family problems.
[16] On October 3, 2007, he signed with the Townsville Crocodiles of the Australian National Basketball League (NBL), replacing the injured Rosell Ellis.
He was named the recipient of the NBL Most Valuable Player Award after averaging 18.6 points, 5.0 rebounds, and 4.1 assists over his 31 games, shooting the ball at 50.6% from the field.
[33] In his four NBL seasons, Williams played 114 games (91 for Townsville and 23 for Melbourne) and averaged 19.1 points, 5.1 rebounds and 4.7 assists per contest.
[6] Williams became a notable NBL commentator in Australia following his playing career, initially in a smaller capacity in 2015[36][37] and then full time in 2017 with Fox Sports.