Duke's Josh Hairston (15) falls to the floor as Elon's Jack Isenbarger is upended while going for the ball during the first half of an NCAA college basketball game in Durham, N.C., Thursday, Dec. 20, ... more 

Duke's Josh Hairston (15) falls to the floor as Elon's Jack Isenbarger is upended while going for the ball during the first half of an NCAA college basketball game in Durham, N.C., Thursday, Dec. 20, 2012. (AP Photo/Gerry Broome) less