Daeshon Francis and Carrington Love hit back-to-back 3-pointers to pull Green Bay within 56-49 with 2:34 left. Then Love's 3-pointer with 35 seconds remaining cut Green Bay's deficit to two points. But Valparaiso made 5 of 6 free throws in the final minute to seal it.
Alec Peters added 12 points and grabbed 10 rebounds for Valparaiso (23-4, 10-2 Horizon).
Valparaiso went on an 8-0 run, all scored by Peters, to take a 15-point lead midway through the second half.
Valparaiso held a 29-23 lead at halftime after shooting 50 percent from the field. The Crusaders held a 20-7 advantage on the glass but turned it over 14 times in the opening 20 minutes.