Harrison-Docks' 3-pointer with 1:24 left in overtime put Western Kentucky up by three. George Fant's dunk moments pushed it to four and UTEP's C.J. Cooper missed two 3-pointers in the last seven seconds.
Western Kentucky (13-5, 6-0 Conference USA) erased a 10-point lead early in the second and T.J. Price's layup with 4:22 left tied it at 57. Ben Lawson added a pair of free throws 45 seconds later to put the Hilltoppers up two.
UTEP (12-6, 4-2) went the last 4:38 of regulation without a basket, but Earvin Morris was fouled with 1.2 seconds left on a 3-point attempt. He missed the first but made the other two to force overtime.
Trency Jackson led WKU with 14 points and Fant finished with 13 points and 11 boards.