Boston Celtics guard Marcus Smart (ankle) is available for Friday's playoff showdown with the Miami Heat. The Defensive Player of the Year didn't play in Game 4 because of a sprained ankle but managed to suit on Wednesday. However, Smart was obviously still bothered by the ailment, mainly since he logged only 24 minutes and scored just five points on 1-for-5 shooting from the field. It's doubtful the 28-year-old has progressed much from a health standpoint since Game 5, so Derrick White, who ...