Jayson Tatum, Celtics bury Heat early, level series 2-2

Jayson Tatum knew he needed to step up on Monday night after delivering a clunker performance two nights earlier.

The Celtics forward came out firing and scored more points in the opening quarter of Game 4 of the Eastern Conference finals than the entire previous contest. His impressive turnaround helped Boston dominate from the outset while notching a 102-82 victory over the visiting Miami Heat.Tatum recorded 31 points, eight rebounds and five assists as the Celtics tied the series at two games apiece."We came back to redeem ourselves," Tatum said of bouncing back from a Game 3 loss. "We knew this was a game we really needed. ... We were ready to play." On Saturday, Tatum tallied just 10 points on 3-of-14 shooting and committed six turnovers. He had 12 points in the first quarter on Monday to set the tone for his third effort of at least 27 in the series. "You feel like you let your teammates down," Tatum said of his Game 3 play. "I think I do a really good job of sleeping it off regardless if I had 10 points or 46 points. I'm a big believer that you can't change what happened. ... I didn't doubt myself." Payton Pritchard scored 14 points while Derrick White excelled with 13 points, eight rebounds, six assists and three steals for Boston while starting in place of injured point guard Marcus Smart. Robert Williams III added 12 points and nine rebounds and Jaylen Brown had 12 points and seven rebounds for the Celtics. Al Horford contributed 13 rebounds and four blocked shots to go with five points for Boston. Three reserves reached double digits for Miami. Victor Oladipo scored 23 points, Duncan Robinson tallied 14 and Caleb Martin added 12 for the Heat, who missed their first 14 shots while digging an 18-1 deficit. Miami