Here’s the tipoff to tonight’s first tipoff: It happens around 7:15 p.m. ET on CBS, when Michigan (No. 2 seed in the Midwest bracket) faces No. 11 seed Tennessee. At 7:25 p.m. ET on TBS, Iowa State, ranked No. 3 in he East, faces No. 7 seed Connecticut, one of several lower-seeded teams still alive this far into the tournament. (In their last game, they beat No. 2 seed Villanova in overtime.) Back on CBS at 9:45 p.m. ET, Louisville, seeded No. 4 in the Midwest, faces Kentucky, ranked No. 8, and fresh off an upset win toppling top seed Wichita State. The night’s final game is played at 9:55 p.m. ET on TBS, when top-seeded East team Virginia faces Michigan State, ranked No. 4.