North Carolina safety Tre Boston runs while participating in a drill during an NFL football pro day at the University of North Carolina in Chapel Hill, N.C., Tuesday, March 25, 2014. (AP Photo/Gerry ... more 
North Carolina safety Tre Boston runs while participating in a drill during an NFL football pro day at the University of North Carolina in Chapel Hill, N.C., Tuesday, March 25, 2014. (AP Photo/Gerry Broome) less 
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Associated Press | Photo By Gerry Broome
Tue, Mar 25, 2014 4:42 PM EDT