Tyler Cavanaugh scored 18 points and George Washington erased an 11-point second-half deficit and earned its third straight win, beating Saint Louis, 63-55 on Saturday afternoon. Jaren Sina gave the Colonials the lead for good with a 3-pointer with 1:59 left to make it 56-53, and Yuta Watanabe and Cavanaugh combined to hit 5 of 6 from the line in the final minute to keep the Billikens at bay.