We’re down to 32 teams in this year’s tournament, and eight more games today will pare that field substantially. Coverage begins at noon ET on CBS, when Florida, the No. 1 seed in the South, faces No. 9 seed Pittsburgh, which edged No. 8 seed Colorado to reach this game. Also on CBS: Louisville, No. 4 in the Midwest, faces No. 5 St. Louis at 2:45 p.m. ET. Midwest No. 2 seed Michigan faces No. 7 seed Texas at 5:15 p.m. ET. On TNT at 6 p.m. ET, San Diego State, seeded No. 4 in the West