Nigel Williams-Goss scored 19 points for Gonzaga (29-1, 17-1 West Coast), which was seeking to become the first team since Kentucky in 2014-15 to finish the regular season without a loss.
Mika’s basket with a minute left gave BYU (21-10, 12-6) a 73-71 lead.
Gonzaga lost the ball on its next two possessions, and Corbin Kaufusi had a putback and Mika hit two free throws to put the game out of reach.
The last team to finish the entire season undefeated was Indiana in 1975-76.
Gonzaga came out fired up and jumped to an 18-2 lead in the first five minutes, making 7 of 10 shots.
The Zags cooled off and three consecutive three-pointers by BYU’s T.J. Haws cut Gonzaga’s lead to 26-22.
Mika’s basket cut Gonzaga’s lead to one point before the Bulldogs closed with a 10-5 run to take a 41-35 lead at halftime.
Zach Collins’ putback gave Gonzaga a 58-46 lead midway through the second.
A technical foul on Gonzaga helped BYU cut its deficit to 58-53, and seemed to spark the Cougars. A pair of three-pointers by Nick Emery cut Gonzaga’s lead to one, and Mika’s basket gave the Cougars their first lead at 61-60.
The teams traded baskets until Mika put the Cougars ahead for good.
Source : usatoday