SportsNewser | TV Biz Heat-Mavs Game 5 Earns 12.6 Overnight Rating By Marcus Vanderberg on Jun. 10, 2011 - 11:53 AM Game 5 of the NBA Finals on ABC between the Miami Heat and Dallas Mavericks earned a 12.6 overnight rating. Those numbers are down slightly from last year’s Game 5 between Boston and Los Angeles, which earned a 12.8 overnigh ...