Micah Potter scored 19 points and D’Mitrik Trice added 11 as No. 21 Wisconsin dealt host Northwestern its 13th straight defeat, rolling to a 68-51 win on Sunday night in Evanston, Ill.Jonathan Davis and Brad Davison followed with 12 points apiece to help the Badgers snap a two-game losing streak. Wisconsin used a 10-0 run midway through the second half to pull away after the Wildcats cut the deficit to seven points with 12:59 remaining.Northwestern (6-14, 3-13 Big Ten) trailed by as many as 19 down the stretch. Boo Buie had 19 points, finishing as the only Wildcats player in double figures.The Badgers shot 41.1 percent compared to 40 percent for the Wildcats, as Wisconsin (16-8, 10-7 Big Ten) earned a season sweep of Northwestern, following up on a 68-52 home victory on Jan. 20.Potter proved to be a notable difference maker Sunday. After contributing 10 points and two rebounds in 17 minutes when the schools met in Madison, Wis., last month, he steadied the Badgers this time, shooting 7-for-8 from the field while adding a team-high eight rebounds to go with three assists and two steals.Robbie Beran was the Wildcats’ second-leading scorer with seven points, while Anthony Gaines grabbed six rebounds and Buie dished four assists.