Georgia linebacker Jarvis Jones (29) puts on his helmet during NCAA college football practice, Thursday, Aug. 2, 2012, in Athens, Ga. (AP Photo/Daniel Shirey)

Georgia defensive back Marlon Brown (15) catches a pass with coverage by cornerback Sanders Commings (19) during NCAA college football practice, Thursday, Aug. 2, 2012, in Athens, Ga. (AP Photo/Daniel Shirey)

Georgia cornerback Malcolm Mitchell (26) covers wide receiver Taylor Bradberry (81) during NCAA college football practice, Thursday, Aug. 2, 2012, in Athens, Ga. (AP Photo/Daniel Shirey)

Georgia coach Mark Richt watches NCAA college football practice in Athens, Ga., on Thursday, Aug. 2, 2012. (AP Photo/Daniel Shirey)

Georgia running back Keith Marshall (4) runs the ball during NCAA college football practice, Thursday, Aug. 2, 2012, in Athens, Ga. (AP Photo/Daniel Shirey)

Georgia defensive coordinator Todd Grantham, right, instructs players during a drill at an NCAA college football practice in Athens, Ga., Thursday, Aug. 2, 2012. (AP Photo/Daniel Shirey)

Georgia quarterback Aaron Murray (11) throws a pass during NCAA college football practice, Thursday, Aug. 2, 2012, in Athens, Ga. (AP Photo/Daniel Shirey)

Georgia quarterback Aaron Murray (11) drops back to pass at an NCAA college football practice in Athens, Ga., Thursday, Aug. 2, 2012. (AP Photo/Daniel Shirey)

Georgia Bulldogs offensive coordinator Mike Bobo runs a drill during an NCAA college football practice at the University of Georgia in Athens, Ga., on Thursday, Aug. 2, 2012. (AP Photo/Daniel Shirey)

Georgia running back Keith Marshall (4) runs a drill at an NCAA college football practice at the university in Athens, Ga., Thursday, Aug. 2, 2012. (AP Photo/Daniel Shirey)

FILE - In this Aug. 2, 2012, file photo, Georgia running back Ken Malcome (24) gets ready for a drill during NCAA college football practice in Athens, Ga. Looking on are Kyle Karempelis (33) and Keith Marshall (4). Malcome and Merritt Hall are unlikely new starters in Georgia’s backfield. The two will line up behind quarterback Aaron Murray when No. 6 Georgia opens its season against Buffalo on Saturday. (AP Photo/Daniel Shirey)