Clark finished with 13 points and six rebounds, while Sims had 12 points and five assists. While they have led the way all season for Georgetown (22-6, 12-5) on a roster with 10 freshmen and sophomores, there was plenty of help from the youngsters, as usual.
Greg Whittington contributed 15 points on 5-for-6 shooting, including 3 of 3 on 3-pointers, and another freshman, Otto Porter, had 10 rebounds.
Notre Dame (20-10, 12-5) lost its second straight following a school-record, nine-game Big East winning streak. It made 3 of 17 3-point attempts, after going 4 for 31 in a loss at St. John's on Saturday.