J.R. Smith Escorted Off Court By Security At End Of Cavaliers' Loss To Heat

J.R. Smith has been sidelined with a thumb injury since December, but he’s apparently very ready right now to jump into things. Case in point: last night, when he got heated at the end of the Cavaliers-Heat game after watching Rodney McGruder dunk on Channing Frye toward the end of Miami’s blowout win. Tempers flared…