To add to their free throw numbers, the Gophers shot 53.3% from the field, while holding Northwestern to just 37.5% from the field.
Northwestern was led by Michael Thompson, who finished with 18 points, on just 5-16 from the field, in 40 minutes.
The Wildcats appeared to be in trouble, down 13 points at the midway point of the first half. However, the Wildcats responded. A rally was sparked by Drew Crawford's pair of three-pointers, which would ignite a comeback. Down by two with second remaining till halftime, Alex Marcotullio drained a three-pointer, giving Northwestern a 34-33 lead going into the break.
The Wildcats finished the half on an 18-4 run.
Alex Marcotullio would drain another three in the first seconds of the second half, giving Northwestern a four-point lead. After that, fouls would cost the Wildcats. Minnesota shot 24-35 from the free throw line in the second half alone.
Meanwhile, Northwestern's foul trouble kept them out of rhythm, preventing a comeback.
The Golden Gophers extended their lead to double-digits, and would not look back.
Following the loss, Northwestern has yet another tough challenge waiting for them. The Wildcats will take on top-ranked Ohio State on Saturday at Welsh-Ryan Arena. Tipoff is set for 6:00 CT.