The SMU Mustangs (16-6) a heavy favorite, came into Temple University to battle the Temple Owls (12-11) in what may be a season changer for the Cherry and White.
The Owls trailed by as much as 17 points but kept battling and pulled out a 97-90 win.
The Owls were just about horrible in the first half, going 3 for 9 from the foul line and 2-11 from long range.
Whatever was said at halftime worked because Temple turned up the heat and put up a 12-0 run and the shooting became much improved as they shot a lights out 6 for 7 from three point range and 17 of 25 from the field.
With the game knotted at 80, Quinton Rose fought through traffic but his shot hit nothing but rim and off to Overtime they went.
The Owls simply had the answers and pulled off the upset, 97-90.
The trio of Alani Moore, Quinton Rose and Nate Pierre Louis combined for 45 points. James Scott dropped 22 while the Mustangs were led by a double double from Kendric Davis with 23 points and 10 helpers