NEW YORK -- Alex Rosenberg scored 22 points as Columbia routed Penn 74-55 on Friday.
Rosenberg, the Ivy League's fifth leading scorer, made three 3-pointers and was 9 of 10 from the line.
Columbia (19-11, 8-5) shot 45 percent, including 12 of 25 beyond the arc. Cory Osetkowski had 14 points and nine rebounds. Maodo Lo and Steve Frankoski each added 12.
Fran Dougherty led Penn (7-19, 4-8) with 16 points and seven boards. Miles Jackson-Cartwright added 10 points.
Columbia raced out to a 13-6 lead less than 5 minutes in, and Lo's 3-pointer with 8:42 left in the half pushed the lead to 10, which stuck through intermission.
An 11-0 run early in the second half, punctuated by a pair of 3s by Frankoski, put Columbia up 58-35 and they cruised to the victory.