He received offers from LSU, Memphis, Kansas, Mississippi State, and TCU.
[2] Following an offseason arrest, Williams was suspended for the majority off the off-season before being reinstated in July.
[11] He made his season debut against Coastal Carolina rushing for 99 yards and zero touchdowns in the Jayhawks 7–12 loss.
The following week against Boston College, he rushed for 121 yards and one touchdown helping the Jayhawks to their first Power Five conference road win in 48 games.
He also broke College Football Hall of Famer Gale Sayers record for most rushing yards in a player's first two seasons.
[3] On July 16, 2020, Williams was named pre-season 1st team All-Big 12 for the second consecutive season.
On October 18, he was named Big 12 Special Teams Player of the Week after returning a kickoff 92 yards for a touchdown in a loss to West Virginia.
The following day he announced he would be opting out of the remainder of the season to be closer to his mother and family in Louisiana.
Williams entered the draft as the 20th ranked running back, according to Sports Illustrated.
[22] He made his NFL debut against the Los Angeles Chargers playing primarily as the team's kick returner for the game.
[29] On May 8, 2024, Williams signed with the San Antonio Brahmas of the United Football League (UFL).
[31] On January 16, 2025, Williams signed with the Massachusetts Pirates o the Indoor Football League (IFL).