Happ's triple-double leads Wisconsin past Northwestern

Northwestern's Ryan Greer (2) goes up against Wisconsin's Khalil Iverson (21), D'Mitrik Trice and Nate Reuvers (35) during the first half of an NCAA college basketball game Saturday, Jan. 26, 2019, in Madison, Wis. (AP Photo/Andy Manis)

Northwestern's Vic Law (4) drives against Wisconsin's Brad Davison (34) during the first half of an NCAA college basketball game Saturday, Jan. 26, 2019, in Madison, Wis. (AP Photo/Andy Manis)

Wisconsin's Ethan Happ (22) drives against Northwestern's A.J. Turner, left, and Dererk Pardon, center, during the first half of an NCAA college basketball game Saturday, Jan. 26, 2019, in Madison, Wis. (AP Photo/Andy Manis)

Northwestern's Dererk Pardon (5) drives against Wisconsin's Nate Reuvers (35) during the first half of an NCAA college basketball game Saturday, Jan. 26, 2019, in Madison, Wis. (AP Photo/Andy Manis)