Royer made 7 of 8 3-point attempts and Eversley was 3 for 3 as the Mustangs (14-12, 9-6 Big West) converted 12 of 15 shots beyond the arc and shot 58 percent overall.
Jamal Johnson added nine assists for Cal Poly, which swept the season series from the Matadors.
The Mustangs scored 12 straight points to take a 23-9 lead and closed the first half with an 8-0 run to go ahead 38-22. The lead reached as many as 21 points in the second half when Eversley hit a 3-pointer with 13:12 remaining to make it 57-36.
76ers general manager Bryan Colangelo explains how No. 1 overall pick Ben Simmons will impact the Sixers and how Simmons can facilitate on the floor.
The LSU TIgers didn't make much hay with Ben Simmons and now must regroup and rebuild around Antonio Blakeney and Craig VIctor.
Oregon could lose multiple players to the NBA next spring, so the Ducks are preparing by pursuing plenty of scorers and an elite frontcourt prospect.