Senior Alfonzo McKinnie had a double-double with 16 points and 10 rebounds and Jordan Fouse has a career high with 17 points.
Beat Vermont with leading scorer, Mehryn Kraker, held scoreless.
Whitewater and Mount Union meet for the ninth time in 10 years.
Chryst was 19-19 as head coach at Pittsburgh.
If the choice is Chryst, he would return to his hometown, alma mater and former employer.
Chryst, a former player and offensive coordinator for the Badgers, is 19-19 in three seasons with the Panthers.
No decision expected on coaching situation until Wednesday.
Defense dominated the day as Wisconsin shot just 34.8% from the field while the Phoenix made only 35.1% of their shots.
Jordan Fouse added 13 points and eight rebounds for the Phoenix (7-2).
A pinpoint passer with wide-receiver speed, Mariota came into his junior season as the favorite to win the 80th Heisman.