The OKC Thunder suffered an Alex Caruso injury blow with the guard ruled out for the remainder of the ongoing showdown against the Golden State Warriors. The Thunder's best point-of-attack defensive star exited the game with a left ankle sprain.Caruso was seen hobbling, gingerly walking after a defensive play, and heading to the bench. Later, reports confirmed that he would sit out for the rest of the game. Thunder beat writer Joel Lorenzi shared a clip of the OKC star struggling:Another Thunder analyst Nick Gallo later confirmed news of his exit:"Alex Caruso will not return tonight with a left ankle sprain."This is a massive blow for the Thunder who, at the time of writing, hold a thin 45-40 lead with less than three minutes to go in the second quarter.