Van Horn made three free throws to cut the deficit to 90-84 with 46.9 seconds left.
Four consecutive free throws by Screen cut the lead to 78-75 with 33 seconds left.
Eventually, the Lakers cut the lead to 99-97 with 11.8 seconds to play.
He proceeded to miss two more after the Knicks cut the lead to 108-107 with 16 seconds left.
Florida cut the lead to 77-74 with 66 seconds to play.
Massachusetts built an 84-77 lead in the extra period but saw it cut to one point with 45 seconds left.
Jackson hit his seventh 3-pointer to cut the margin to 98-95 with 41 seconds to go.
Brian Earl, who had 13 points, cut the deficit to 1 with 16 seconds left.
However, the Sooners, concentrated on defense, and cut the lead to three points with only 16 seconds left in the game.
He hit one of two free throws to cut the Buccaneers' deficit to 72-69 with 46 seconds left.