ST. LOUIS (AP) — Reality hit Middle Tennessee State guard Jaqawn Raymond as he walked triumphantly off the floor. Giddy Potts thought it might come later, once he returned to the team hotel and flipped on the TV.

It sunk in immediately for Michigan State.

Relying on the same balanced scoring that carried them to the NCAA Tournament, the No. 15 seed Blue Raiders ended the second-seeded Spartan...