Joel Embiid had 37 points, 22 rebounds and a key block on Kyrie Irving with 35 seconds remaining, and Jimmy Butler scored 15 of his 22 points in the fourth quarter to lead the streaking Philadelphia 76ers over the Boston Celtics 118-115 on Wednesday night.

Tobias Harris added 21 points for the 76ers, who won their sixth game in a row and avoided a season sweep by the Celtics. Philadelphia (47-25) holds the No. 3 seed in the Eastern Conference playoff race, three games ahead of idle Indiana and four in front of fifth-place Boston.

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Boston Celtics' Kyrie Irving, center, and coach Brad Stevens, left,  walk the court for a timeout after Jimmy Butler scored a basket during the second half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. Philadelphia won 118-115. (AP PhotoMatt Slocum)

Joel Embiid had 37 points, 22 rebounds and a key block on Kyrie Irving with 35 seconds remaining, and Jimmy Butler scored 15 of his 22 points in the fourth quarter to lead the streaking Philadelphia 76ers over the Boston Celtics 118-115 on Wednesday night.

Boston Celtics' Kyrie Irving (11) goes up for a shot past Philadelphia 76ers' Joel Embiid (21) during the first half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. (AP PhotoMatt Slocum)

More AP NBA: https://apnews.com/NBA and https://twitter.com/AP_Sports

Boston Celtics' Marcus Smart gestures to the crowd as he is escorted off the court after committing a flagrant foul against Philadelphia 76ers' Joel Embiid during the second half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. Philadelphia won 118-115. (AP PhotoMatt Slocum)

Boston Celtics' Marcus Smart gestures to the crowd as he is escorted off the court after committing a flagrant foul against Philadelphia 76ers' Joel Embiid during the second half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. Philadelphia won 118-115. (AP PhotoMatt Slocum)

Philadelphia 76ers' Jimmy Butler, center, celebrates after scoring a basket against Boston Celtics' Kyrie Irving during the second half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. Philadelphia won 118-115. (AP PhotoMatt Slocum)

Philadelphia 76ers' Jimmy Butler, center, celebrates after scoring a basket against Boston Celtics' Kyrie Irving during the second half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. Philadelphia won 118-115. (AP PhotoMatt Slocum)

Philadelphia 76ers' Jimmy Butler, left, tries to pass the ball as Boston Celtics' Kyrie Irving, center, and Jayson Tatum defend during the first half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. (AP PhotoMatt Slocum)

Philadelphia 76ers' Jimmy Butler, left, tries to pass the ball as Boston Celtics' Kyrie Irving, center, and Jayson Tatum defend during the first half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. (AP PhotoMatt Slocum)

Boston Celtics' Aron Baynes dunks as Philadelphia 76ers' Joel Embiid (21) watches during the first half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. (AP PhotoMatt Slocum)

Boston Celtics' Aron Baynes dunks as Philadelphia 76ers' Joel Embiid (21) watches during the first half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. (AP PhotoMatt Slocum)

Boston Celtics' Aron Baynes goes up for a dunk during the first half of the team's NBA basketball game against the Philadelphia 76ers, Wednesday, March 20, 2019, in Philadelphia. (AP PhotoMatt Slocum)

Boston Celtics' Aron Baynes goes up for a dunk during the first half of the team's NBA basketball game against the Philadelphia 76ers, Wednesday, March 20, 2019, in Philadelphia. (AP PhotoMatt Slocum)

Irving scored 36 points for the Celtics.

Boston Celtics' Kyrie Irving, center, and coach Brad Stevens, left,  walk the court for a timeout after Jimmy Butler scored a basket during the second half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. Philadelphia won 118-115. (AP PhotoMatt Slocum)

Boston Celtics' Kyrie Irving, center, and coach Brad Stevens, left, walk the court for a timeout after Jimmy Butler scored a basket during the second half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. Philadelphia won 118-115. (AP PhotoMatt Slocum)

More AP NBA: https://apnews.com/NBA and https://twitter.com/AP_Sports

Boston Celtics' Kyrie Irving (11) goes up for a shot past Philadelphia 76ers' Joel Embiid (21) during the first half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. (AP PhotoMatt Slocum)

Boston Celtics' Kyrie Irving (11) goes up for a shot past Philadelphia 76ers' Joel Embiid (21) during the first half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. (AP PhotoMatt Slocum)

Boston Celtics' Marcus Smart gestures to the crowd as he is escorted off the court after committing a flagrant foul against Philadelphia 76ers' Joel Embiid during the second half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. Philadelphia won 118-115. (AP PhotoMatt Slocum)

Boston Celtics' Marcus Smart gestures to the crowd as he is escorted off the court after committing a flagrant foul against Philadelphia 76ers' Joel Embiid during the second half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. Philadelphia won 118-115. (AP PhotoMatt Slocum)

Philadelphia 76ers' Jimmy Butler, center, celebrates after scoring a basket against Boston Celtics' Kyrie Irving during the second half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. Philadelphia won 118-115. (AP PhotoMatt Slocum)

Philadelphia 76ers' Jimmy Butler, center, celebrates after scoring a basket against Boston Celtics' Kyrie Irving during the second half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. Philadelphia won 118-115. (AP PhotoMatt Slocum)

Philadelphia 76ers' Jimmy Butler, left, tries to pass the ball as Boston Celtics' Kyrie Irving, center, and Jayson Tatum defend during the first half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. (AP PhotoMatt Slocum)

Philadelphia 76ers' Jimmy Butler, left, tries to pass the ball as Boston Celtics' Kyrie Irving, center, and Jayson Tatum defend during the first half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. (AP PhotoMatt Slocum)

Boston Celtics' Aron Baynes dunks as Philadelphia 76ers' Joel Embiid (21) watches during the first half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. (AP PhotoMatt Slocum)

Boston Celtics' Aron Baynes dunks as Philadelphia 76ers' Joel Embiid (21) watches during the first half of an NBA basketball game Wednesday, March 20, 2019, in Philadelphia. (AP PhotoMatt Slocum)

Boston Celtics' Aron Baynes goes up for a dunk during the first half of the team's NBA basketball game against the Philadelphia 76ers, Wednesday, March 20, 2019, in Philadelphia. (AP PhotoMatt Slocum)

Boston Celtics' Aron Baynes goes up for a dunk during the first half of the team's NBA basketball game against the Philadelphia 76ers, Wednesday, March 20, 2019, in Philadelphia. (AP PhotoMatt Slocum)