Georgetown (14-2) regained first place in the Big East with a decisive 84-65 victory over Notre Dame.
LaSalle finished with a 20-10 run, defeating Richmond (9-8) by a 76-67 count.
Northwestern kept it close against Wisconsin for a half before eventually falling 62-50.
Around the Ivy League: Cornell (9-5 / 1-0) opened conference play with a 70-64 win over Columbia (7-9 / 0-1). Yale (7-8 / 1-0) needed overtime to top Brown (8-7 / 0-1) by the score of 66-63 in the Ivy opener for both teams. Penn (5-11) fell behind 21-3 early, losing its third Big Five contest of the season, 82-42 to St. Joe's.