Caleb Grill racked up 22 points off the bench and sank a pair of clutch free throws with five seconds remaining as Missouri upset No. 5 Florida 83-82 on Tuesday night in Gainesville, Fla.Grill’s key foul shots came just one second after Alex Condon converted a layup to get the Gators (15-2, 2-2 Southeastern Conference) within 81-79. Alijah Martin followed with a 3-pointer, but Florida didn’t have enough time to complete a comeback.The Gators never led in the second half, as they were never able to overcome a 50-34 halftime deficit.Mark Mitchell complemented Grill with 15 points and eight rebounds for the Tigers (14-3, 3-1), while Anthony Robinson II added 12 points and Tamar Bates chipped in 10.Missouri went 11-for-29 from beyond the arc (37.9 percent), with six of those made triples coming from Grill (on 10 attempts).Florida’s Walter Clayton Jr. scored a game-high 28 points and nabbed three steals, Martin tallied 14 points and Will Richard added 12 points. Rueben Chinyelu had a double-double with 11 points and 10 rebounds for the Gators, who were 8-0 at home entering Tuesday.