The Saints (2-2) trailed by eight early in the second, but tied it at 52 with 8:55 left after a pair of Marquis Wright free throws and a layup. It stayed tight down the stretch until Oliver took over. His trey at 2:25 broke a 66-all tie and he hit again from 3 with 1:23 left to make it 74-66. He added a layup on the next possession and Siena made 5 of 6 free throws to ice it.
Loyola (2-3) was led by Tyler Hubbard with 23 points, including 17 of 18 at the line.