KANSAS CITY, Mo. (AP) — The Latest on the Sweet 16 of the NCAA Tournament (all times Eastern): 12:50 a.m. Xavier has upset No. 2 seed Arizona for a surprise spot in the Elite Eight. The 11th-seeded Musketeers beat the Wildcats 73-71 on Thursday night on a layup and key rebound from Sean O’Mara. The win for Xavier sets up a showdown with Gonzaga for the Final Four. ___ 12:40 a.m. UPSET WATCH: Xavier’s Trevon Bluiett has hit two free throws to tie the game at 71 with Arizona with 1:09 left. Arizona started to pull away and led by as many as 8 points, but the 11th-seeded Musketeers pushed back with a 7-0 run to even the score. ___ 12:05 a.m. Xavier is surging against No.