Texas Tech vs. Buffalo -- NCAA tournament second roundWhen: TBD Sunday at the BOK Center -- Tulsa, OklahomaRecords: Texas Tech (27-6, 14-4 Big 12), Buffalo (32-3, 16-2 Mid-American Conference)TV: TNTWhat's on the line?Texas Tech proved it belonged in the NCAA tournament again with a 72-57 win over No. 14 seed Northern Kentucky, but needed a second-half surge to keep its season alive.