The Utah Jazz announced Sunday that guard Mo Williams will be out indefinitely with a right thumb injury.
Williams, who sustained the injury on Saturday, is averaging 12.9 points and 6.7 assists this season in 24 games, all starts.
The extent of Williams' injury is unknown, according to the Salt Lake Tribune. Williams underwent an MRI on Sunday in Orlando nd will be re-examined when the team returns home.
Jamaal Tinsley is expected to take his place in the lineup.