UC Davis trailed by seven at the break, but pushed to a 48-46 lead at the 7:39 mark. Sypkens hit two 3-pointers and Hawkins hit another to grab a five-point lead with 58 seconds left.
Joel Awich answered with a jumper and a dunk to cut the Mustang's deficit to one. After two Hawkins free throws, Cal Poly missed on two 3-point attempts. Iggy Nujic hit a free throw for the final margin.
Former Michigan point guard Spike Albrecht will play for Purdue as a graduate transfer next season.
Only six major-conference teams have failed to win an NCAA tournament game since the turn of the century. When will each program snap the streak?
Bruce Weber's Kansas State team earned a share of the Big 12 title three years ago, but a lot has changed since then and the pressure is on.