Keith Clanton led UCF with 15 points and nine rebounds. The Knights (6-3) didn't have another player in double figures after shooting only 35.4 percent (17 of 48) for the game.
Miami jumped out to a 37-21 halftime lead behind Johnson and Larkin. UCF got within 11 points on a 3-pointer by Matt Williams with 11:04 left in the game, but that was as close as it would come.
Top-50 prospect Jaylen Nowell committed to Washington on Wednesday. Nowell, a shooting guard, is No. 45 on the ESPN 100.
Mitchell Robinson, the No. 15 player in the country in the Class of 2017, has committed to Western Kentucky.
ESPN College Basketball reporter Myron Medcalf discusses whether Shaquille O'Neal's son Shareef could end up playing at LSU, Kentucky or Michigan State.