James Mastaglio scored 14 points to lead No. 9 Princeton to a 51-37 victory over Columbia on Friday night as the Tigers clinched at least a share of the Ivy League Championship.

The Tigers (24-1, 12-0), who kept a number of streaks alive, have won 17 straight games, 26 in a row in the conference, 10 straight over Columbia and their last 44 in the month of February.Just as they did in their first meeting, the Lions (11-14, 6-7) kept it close for a while, trailing 18-17 at halftime and 34-28 with 10:38 to play.