Trailing by three at halftime, the Pirates took a 30-28 lead on Prince Williams' layup, then went on a 10-2 run while the Knights made only one field goal in six minutes.
UCF led 63-59 after Henriquez hit a 3 and Walker made a jumper. ECU closed within 66-63 on Williams' layup, and then White hit a 3 with 19 seconds to pull the Pirates within a point. Davis and Efianayi sealed it with two free throws apiece after the teams traded fouls in the final 11 seconds.
B.J. Tyson led ECU (8-6) with 17 and White had 16.