"Cadillac "had been dressing out in full pads and going through some drills at each of the practices at the Georgia Dome, but the left clavicle he broke during the Alabama game on Nov. 17 has not healed completely.
"He will dress out and do everything, but we will hold him out (of the game)," Tuberville said. As to which of Williams' replacements will get the most carries, Tuberville said it depends on who is hot. "It's going to be a tailback by committee on Monday night."
Auburn Coach Tommy Tuberville takes in practice at the Georgia Dome.
With Williams on the sideline, backups Ronnie Brown, Chris Butler and Casinious Moore will get the bulk of the carries.
Offensive coordinator Noel Mazzone said Brown will get the start, but Butler will see plenty of action depending on formations and who is in a good rhythm. Moore will split time at running back and the slot receiver position.
In other injury news, both tight end Robert Johnson and linebacker Mark Brown are still questionable for the game.
The Auburn coaching staff toned down the hour and half long practice session Saturday as the Tigers concentrated on each facet of the special teams' play for the first half of practice, then worked on getting the game plan squared away for the last 45 minutes.
"We've done about all we can do," Tuberville said. "We've got to get our legs back because we are a little tired. Practicing on turf for three or four days straight has made us a little bit leg weary so we've got to get our legs back."
The Tigers will get even more rest the next two days as Tuberville moved up curfew from midnight to 11 p.m. for Saturday and up to 10 p.m. for Sunday night.
Auburn will go through a brief walk through on Sunday morning with that session wrapping up all the on-field preparation for the Tar Heels.
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Tuberville said that some of the younger players who have not seen much action this season could get some extended playing time in the Peach Bowl. "We are going to try to play a few more people," he added. "We are going to try to play some of our young offensive linemen. We are not going to put ourselves in a bind, but we will try to put more people in the game."...One of the players Tuberville said the coaches will try to get in the game is placekicker Philip Yost. The redshirt freshman has yet to attempt a field goal is in college career, but he did kickoff several times for the Tigers this season.