Potter helps No. 21 Wisconsin knock off Northwestern 68-51

Wisconsin guard Brad Davison, front right, shoots as Northwestern guard Chase Audige guards during the first half of an NCAA college basketball game in Evanston, Ill., Saturday, Feb. 21, 2021. (AP Photo/Nam Y. Huh)

Wisconsin forward Micah Potter, right, battles for the ball against Northwestern forward Miller Kopp, left, and center Ryan Young during the first half of an NCAA college basketball game in Evanston, Ill., Saturday, Feb. 21, 2021. (AP Photo/Nam Y. Huh)

Wisconsin guard Jonathan Davis, center, drives against Northwestern guard Chase Audige, left, and guard Anthony Gaines during the first half of an NCAA college basketball game in Evanston, Ill., Saturday, Feb. 21, 2021. (AP Photo/Nam Y. Huh)

Northwestern head coach Chris Collins reacts as he watches his team during the first half of an NCAA college basketball game against Wisconsin in Evanston, Ill., Saturday, Feb. 21, 2021. (AP Photo/Nam Y. Huh)

Wisconsin guard Jonathan Davis, right, shoots against Northwestern guard Chase Audige during the first half of an NCAA college basketball game in Evanston, Ill., Saturday, Feb. 21, 2021. (AP Photo/Nam Y. Huh)