He was taken to the hospital during the game to undergo imaging and other testing to eliminate concern of spine-related injury. He was alert and his condition continued to improve last night during testing. He was kept in the hospital overnight for observation.
The status for his return will be based on day-to-day progression and continued improvement throughout the week. BYU hosts Middle Tennessee on Friday night at 7 p.m. MT on ESPNU.
Williams suffered the injury while converting a fourth-and-one run for a first down on BYU's second drive of the third quarter. Williams entered the weekend as the nation's No. 3 rusher at 163.3 yards per game. He totaled 52 yards on an injury-shortened 13 carries on Saturday and currently ranks 10th nationally at 126 yards per game.