Cal State Fullerton (6-11, 1-2) outrebounded UC Davis 41-28, but was held to 37.9 percent from the field and went just 3 of 21 from 3-point range. Alex Harris led the Titans with 19 points and Michael Williams contributed 13.
UC Davis trailed by six at the break, but surged ahead in the second half with a 21-6 run capped by 3-pointers from Nujic and Hawkins to grab a 58-48 lead with 2:54 remaining. Sypkens ignited the run with a jumper, 3-pointer and a layup.
The Titans couldn't pull closer than six the rest of the way.
Maryland point guard Melo Trimble, considered a lock to leave the program before struggling in the second half last season, has withdrawn from the NBA draft and will return for his junior season.
Louisville's Chinanu Onuaku, who recently underwent a medical procedure to correct a heart rhythm issue detected during the combine, will keep his name in the NBA draft pool.
Andrew White III will return to the Nebraska men's basketball team next season after removing his name from the NBA draft.