The Mountaineers had not lost a home season opener since 1989.
Buffalo upset No. 13 West Virginia, 99-94, on Friday night with an unexpected overtime win, marking the Mountaineers' first loss in a home opener since 1989.
The Mountaineers led by as many as 13 in the second half before Buffalo made a comeback to tie things up at the end of regulation. The Bulls' star senior guard CJ Massinburg tied the game with a deep three, leaving West Virginia with the ball and 14 seconds on the clock in Morgantown.
Unable to manage another basket for the win, Buffalo took the Mountaineers into overtime, where it outscored West Virginia 15-10.
Massinburg finished the night with a double double with a whopping 43 points, 14 rebounds and three assists. He also sunk nine three-pointers, shooting 60 percent from deep and 54.5 percent from the field.