McWilliams had the ninth-fastest time of the 24 cornerbacks that ran the 40-yard dash, clocking in officially at 4.41 seconds. According to Kent Lee Platte's Relative Athletic Score model, McWilliams posted "great" projected splits at 10 (1.54) and 20 yards (2.56)

A four-year mainstay at cornerback for UCF, BJ Adams aimed to continue impressing scouts Friday at the NFL combine. Last month, Adams competed at the Reese's Senior Bowl, faring well in one-on-one drills during game-week practices.

Former UCF football CB Mac McWilliams posted a 4.41 40 time at the NFL combine. See where he ranks among other defensive backs.