FILE - In this Oct. 3, 2020, file photo, North Carolina quarterback Sam Howell passes during the first half of an NCAA college football game against Boston College in Boston. Howell is back for his junior season while leading an offense with major personnel losses. The Heisman Trophy candidate and top NFL prospect has spent spring practices working to improve timing and chemistry with new receivers to help the offense take shape. (AP Photo/Michael Dwyer, File)

FILE - North Carolina coach Mack Brown speaks prior to his players participating in the school's Pro Day football workout for NFL scouts in Chapel Hill, N.C., in this Monday, March 29, 2021, file photo. The NCAA made it official Thursday, announcing the Division I Council had voted to approve a proposal that would permit all college athletes to transfer one time as an undergraduate without having to sit out a season. “There's over 2,000 kids that went into the football transfer portal,” North Carolina coach Mack Brown said. “The last update that I got was that only 37% had a place to go.”(AP Photo/Gerry Broome, File)

FILE - North Carolina quarterback Sam Howell (7) avoids a tackle by Texas A&M defensive back Brian George (16) during the first half of the Orange Bowl NCAA college football game in Miami Gardens, Fla., in this Saturday, Jan. 2, 2021, file photo. Howell is leading an offense that has major personnel losses. But Howell is back for his junior season as a Heisman Trophy candidate and top NFL prospect, using spring practices to improve timing and chemistry with new starters as the offense takes shape. (AP Photo/Marta Lavandier, File)