Mario Chalmers had just completed yet another strong performance this postseason. As he was about to hop on the cart that taxis players from the locker room to interview podium following Wednesdayâs victory, he couldnât help but crack a joke to the driver. âYou need to put some spinners (rims) on this,â Chalmers said. âHook it up.â This is Chalmers, the brash, overconfident jokester who has evolved from liability to legitimate third-scoring threat for the Miami Heat. With Chris Bosh sidelined the past seven games, it has been Chalmers filling the scoring void with three-point shooting and drives to the basket. Suddenly, his play is starting to overshadow his sometimes testy relationship with LeBron James and Dwyane Wade. Chalmers is averaging 11.9 points, 4.5 rebounds and 3.7 assists in the playoffs entering tonightâs Game 3 against the Boston Celtics in the Eastern Conference finals. His much-publicized, on-court screaming matches with James and Wade are now ...