Seeley and Vaughn also had six assists apiece and combined for seven steals as the Titans (11-8, 4-3 Big West) snapped a two-game losing streak. Sammy Yeager added 16 points and eight rebounds for Fullerton, and Alex Harris had 10 points.
The Aggies led by eight points early in the second half before Fullerton took the lead, 74-73, on Yeager's 3-pointer with 9 minutes left. Vaughn's three-point play with 7:46 remaining put the Titans up for good, 76-74.
Both teams shot the ball well. The Titans made 55 percent of their attempts, including 12 of 23 from beyond the arc, while UC Davis converted 51 percent.
SMU has signed a second player from Australia, 6-foot-11 forward Harry Froling, to a national letter of intent. The Mustangs previously signed guard Tom Wilson from Australia.
There's nothing to suggest the Jayhawks won't end up atop the Big 12 for a 13th season in a row. But what about a return to the Final Four?
Colorado State graduate transfer John Gillon has chosen Syracuse, giving the Orange a potential starter at point guard entering the 2016-17 season.