Dewayne Dedmon has a stress injury in his right foot and is expected to miss four to six weeks.

Dedmon is a sophomore transfer on USC and a candidate for the NBA Draft.

At first, the injury, which was revealed by an MRI on Monday, was deemed a stress fracture.

But team athletic trainer David Borchardt amended that to note that it is a "stress injury" and that Dedmon will be immobilized for one week.

Dedmon suffered a fractured right hand during the preseason.

"I just look at it like, I'll be back," Dedmon said Tuesday. "It's not like it's at the end of the season where I can't finish out the season, but I can hopefully be back before conference."

"It affects us greatly," Kevin O'Neill said. "You can't replace 7-foot, 250 pounds, especially in the situation when we have so many inexperienced guys."

Harrison Barnes may sit out Wednesday's game against Wisconsin with a sprained ankle.

"If we had a game today he would not have played," Roy Williams said on Monday.

Williams said sophomore guard Reggie Bullock and freshman guard P.J. Hairston would receive more playing time if Barnes sits.

Trevor Mbakwe injured his right knee during the second half of Minnesota's 86-70 loss to Dayton in the Old Spice Classic championship game.

Gophers coach Tubby Smith said "it didn't look good" for Mbakwe after the game, but he didn't give an update. 

Mbakwe will have an MRI conducted on Monday when it will be determined if he will miss the remainder of his senior season.

Harrison Barnes left Orleans Arena on crutches following North Carolina's 90-80 loss to UNLV.

Barnes rolled his right ankle late in the first half. He came out of the game for several minutes before eventually returning to the game.

A team spokesman said the crutches were a precautionary measure.

Florida's starting forward Erik Murphy has a mysterious knee injury that will be checked out via MRI.

Murphy practiced on Thursday, but later began complaining about pain.

"We don't think it's a season-ending injury,'' Billy Donovan said. "But what happened exactly to his knee, we'll find out (today).''

Talib Zanna, Pitt's reserve center, injured his knee midway through the second half of Friday's win against Penn.

"(He) seems to be fine," Jamie Dixon said. "It was scary. It looked like an ACL to me. He was more scared than anything. He banged it. He cut it. As he settled down, he realized it wasn't what he first thought it was."

Tim Abromaitis, Notre Dame's senior forward and co-captain, will miss the rest of the 11-12 season after tearing the ACL in his right knee during a Friday practice.

Abromaitis had been averaging 14 points and seven rebounds per game.

"Tim Abromaitis is one of the great stories in college athletics and represents everything that is good about college basketball," Irish coach Mike Brey said in a statement. "We are all disappointed for Tim because of all that he has meant to our program. He has been such a big part of our success over the past three seasons. Tim is such a special young man and an unbelievable representative of Notre Dame both on and off the basketball court."

Marshawn Powell, the leading scorer and rebounder for Arkansas from last year, will miss the remainder of the season due to a knee injury.

Powell tore ligaments in his knee during practice last Thursday.

"This is a big blow to Marshawn and our basketball team," Mike Anderson said. "He has been working hard on and off the court this year and was in the best shape of his career."

J.T. Thompson of Virginia Tech suffered a grade 3 tear of his right ACL during practice on Wednesday and will undergo season-ending surgery.

Thompson tore his left ACL last September.

“To think of all he has been through, it’s disheartening that bad things happen to good people,” head coach Seth Greenberg said. “My heart goes out to J.T. He has been a model student-athlete, despite all the obstacles he has faced. He was back to playing at or above the level we had expected of him following last season’s surgery. Now is not the time to discuss a sixth year.”