Matt Kenney's three-point play with 32 seconds left in overtime gave the Crusaders (6-2) a 76-71 lead in the Horizon League opener for both teams.
Erik Buggs had 13 points for Valparaiso. Will Bogan scored 11 and Kevin Van Wajk had 10 points for the winners. Bogan's 3-pointer with 1:04 left in regulation made it 64-62 Valparaiso, but Nored made 2 of 4 free throws after that and the game went to overtime.
Oregon finished on top of the Pac-12 last season and made a run to the Elite Eight. With loads of talent returning, will the Ducks continue their reign?
Purdue coach Matt Painter says players haven't used the fifth-year graduate transfer rule for its true intent.
The 2017 recruiting class is short on point guards, with Trevon Duval leading only eight prospects from the ESPN 60 who are still available.