Third quarter, 1:00, Heat 69-67: The Spurs keep making runs and the Heat keep fighting them off. Dwyane Wade has 17 points in one of his better games of the postseason while LeBron James is two assists from a triple double. Tim Duncan has 16 points, all after the first quarter with 11 rebounds while Manu Ginobili has 11 off the bench.
Third quarter, 7:10, Heat 58-57: Miami went on a 6-2 run to begin the quarter and looked primed to create some distance but the Spurs have responded with 6 consecutive points, Tim Duncan has 14 points for San Antonio and Tony Parker has 11.
Halftime, Heat 52-49: An entertaining first half with Tim Duncan going for 12 in the second quarter, including a buzzer-beating jumper to end the half. The Spurs shot identical 9-for-21 clips in each other while the Heat shot 50 percent and canned six 3-pointers but missed their last four of the half. Dwyane Wade leads Miami with 13 points and LeBron James has 10 for the Heat.
Second quarter, 2:30, Heat 48-42: Miami is running and attacking the basket while the Spurs are missing layups and look ragged offensively. Still, the Heat lead by just 6. Tim Duncan has rallied from an 0-for-5 first quarter with 8 points in the second period. Dwyane Wade leads Miami with 11 points and looks like Dwyane Wade of old, not old Dwyane Wade. LeBron James has 8 points, 6 rebounds and 4 assists.
Second quarter, 6:48, Heat 38-34: Miami is on fire from the 3-point line, having hit 6 of 11, including two from former Celtic Ray Allen. Miami has balanced scoring with LeBron James already with 8 points, 6 rebounds and 4 assists. Tim Duncan scored his first points of the game at the 7:46 mark and San Antonio is hanging close despite shooting 43.3 percent. Miami is shooting 56 percent.
End of first quarter, Heat 24-23: Both teams took shots at each other but the Spurs end the quarter on a 4-0 run to get back the momentum. Tim Duncan looks rusty, going 0-for-5 shooting so far with two fouls. LeBron James led the Heat with 6 points but the key was 5 points apiece from Mario Chalmers and Chris Bosh. Danny Green and Tony Parker each scored 6 for the Spurs, who have missed more than a few layups so far in shooting 42.9 percent in the quarter.
First quarter, 6:00, Heat 13-11: The Spurs went out to a 9-2 run but behind the jump shooting of Chris Bosh, the Heat have rallies. Bosh has 5 points along with Mario Chalmers. LeBron James has just 2 as he is playing facilitator. Tony Parker leads the Spurs with 6 points.
MIAMI -- The NBA Finals have begun between the San Antonio Spurs and Miami and we'll have periodic updates from AmericanAirlines Arena. It's a matchup of the defending champions against the four-time championship. Who have you got? Keep checking the Boston.com for updates.