BOSTON -- — Jimmy Butler scored 27 points, hitting a pair of buckets to give the Heat the lead after they erased a double-digit, fourth-quarter deficit and Miami beat Boston 111-105 on Friday night to take a 2-0 lead in the Eastern Conference finals.

Bam Adebayo had 22 points, 17 rebounds and nine assists, and Caleb Martin came off the bench to score 25 points for eighth-seeded Miami, which won twice in Boston to earn a chance to complete the sweep at home.

Game 3 is Sunday.

Jayson Tatum had 34 points, 13 rebounds and eight assists for Boston. But the Celtics star went 0 for 3 with two turnovers in the fourth quarter, when Boston blew an 89-77 lead en route to a second home loss in three nights. Jaylen Brown scored 16 points on 7-for-23 shooting; he went 1 for 5 with a turnover in the final quarter, when Miami outscored Boston 36-22.

The Celtics led by 11 in the third quarter and made it a dozen early in the fourth. It was a 96-87 Boston lead when Butler scored, going forehead-to-forehead with Grant Williams before hitting the free throw to complete the three-point play.

Butler sneered at Williams' attempt to get him off his game with words, and after Tatum missed from long distance, Butler drove to the basket to make it a four-point game.

Miami erased it.

Miami trailed 98-96 when Butler was called for an offensive foul, kicking Marcus Smart after landing on a missed 3-pointer.

Heat coach Erik Spoelstra challenged, but lost.

Butler responded.

He made a 17-footer to tie it 100-all, and then a short fadeaway to give Miami the lead. After Max Strus made one of two free throws, Adebayo scored on a putback dunk to make it 105-100 with less than a minute to play.

Boston used a 21-2 run to turn an eight-point, first-quarter deficit into an 11-point lead.

TIP-INS

Brown was 1 for 7 in the first quarter, when Tatum scored 12. Derrick White, who made a single 3-pointer, was the only player other than Tatum who scored more than 2 points in the first. … Adebayo and Butler each grabbed five rebounds in the first quarter. … Lowry and Grant Williams did a little shoving after Williams fouled Adebayo with nine minutes left in the second quarter, with no repercussions.

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