Saint Louis (27-6) drew a 4-seed and will head west to San Jose, Ca. to face New Mexico State.
The Billikens are coming off an Atlantic 10 Conference championship in Brooklyn, N.Y.
NMSU is led by six-foot-two guard Daniel Mullings, who averages 14 points and 5.2 rebounds per game. Bandja Sy, a native of France, averages 11.7 points and 7.3 rebounds per game.
Seven-foot-five center Sim Bhullar shoots 62 percent from the field and averages 10.2 points per game.