LeBron James sparked a big second half run that gave the Heat a 103-84 win over the Spurs in Game Two of the NBA Finals from Miami. James finished with 17 points, eight rebounds, seven assists, three blocks and three steals as Miami evened up the series at one game apiece. Mario Chalmers scored a game-high 19 points while Chris Bosh added 12 points and 10 boards. Ray Allen chipped in with 13 points off the bench for Miami, which forced 17 turnovers. The Spurs committed just four turnovers in their Game One win. Tony Parker, Tim Duncan and Manu Ginobili combined to shoot 10-of-33 from the field. Danny Green posted a team-high 17 points on 6-of-6 shooting with five three-pointers The series shifts to San Antonio for the next three games, starting with Game Three on Tuesday.