Tennessee announced Thursday that redshirt junior defensive back Izauea Lanier will not be eligible to participate in the 2012 season.
No reason was given in a release by UT.
Coach Derek Dooley also announced that 12 incoming players have enrolled for the first summer session of classes.
The 12 players who enrolled:
Meanwhile, Davante Bourque, Cordarrelle Patterson, and Quenshaun Watson are expected to enroll in the second summer session.
A native of Gordo, Ala., Lanier played in all 12 games for Tennessee last season, starting nine. He ranked sixth on the team with 48 tackles last season and also recorded four passes defensed.