The winners of the series take on either the Los Angeles Lakers or Denver Nuggets for the NBA title The Lakers lead the Nuggets three games to one in the Western Conference finals MIAMI: The Boston Celtics roared back in the second half, beating the Miami Heat 121-108 on Friday to stay alive in the NBA playoffs. Jayson Tatum scored 31 points and pulled down 10 rebounds and Jaylen Brown added 28 points as six Celtics players scored in double figures and Boston cut the deficit in the best-of-seven Eastern Conference finals to three games to two. Goran Dragic led the Heat with 23 points and Duncan Robinson added 20 for Miami, who are trying to reach the NBA finals for the first time since 2014. With their season hanging in the balance, the Celtics exploded for 41 points in the third quarter to turn the tide in a game dominated early by Miami. Under solid pressure from the Heat defense, the Celtics made just one of their first 12 shots and connected on just five of 20 from the field in the first quarter. Boston trailed by as many as 12 in the opening period, which ended with the Heat leading 26-18. Miami again built the lead to 12 in the second period and finished the first half with a 58-51 lead. But Boston were beginning to see some shots fall, and as they turned up the intensity on both ends of the floor after the interval Miami had no answer. Marcus Smart’s three-pointer tied it up at 60-60 and Boston took the lead for the first time in the contest, 62-60, on Brown’s layup off a feed from Kemba Walker. They wouldn’t trail again. Walker’s three-pointer with 4:26 left in the third gave Boston a 10-point lead and the Celtics took a nine-point edge into the final frame, when they continued to pour it on. The Celtics will try to build on their momentum against a Heat team determined to put them away in game six on Sunday. The winners of the series take on either the Los Angeles Lakers or Denver Nuggets for the NBA title in the quarantine bubble in Orlando, Florida. The Lakers lead the Nuggets three games to one in the Western Conference finals.