FILE - This March 18, 2012 file photo shows North Carolina's Kendall Marshall, center, driving past Creighton's Josh Jones, rear, and Ethan Wragge, right, during the second half of a third-round NCAA tournament college basketball game in Greensboro, N.C. Marshall is a possible NBA Draft pick on June 28. (AP Photo/Chuck Burton, File)

FILE - This March 17, 2012 file photo shows North Carolina head basketball coach Roy Williams answers a question during a news conference in Greensboro, N.C. Williams has had surgery to remove a tumor from his right kidney and might have another procedure to remove a tumor from his left kidney. The school said the Hall of Fame coach underwent a 3½-hour procedure Wednesday morning, Sept. 19, 2012, to remove the first tumor. The tumor's severity is unknown and team spokesman Matt Bowers said test results could be back in about a week. (AP Photo/Gerry Broome, File)

FILE -In this March 18, 2012 file photo, Creighton's Doug McDermott (3) shoots over North Carolina's Tyler Zeller during the first half of a third-round NCAA tournament college basketball game in Greensboro, N.C. McDermott and Indiana sophomore center Cody Zeller are the leading vote-getters on The Associated Press' preseason All-America team, announced Monday, Oct. 29, 2012. (AP Photo/Chuck Burton, File)