Boston Celtics-Dallas Mavericks NBA Finals, Photos of Game 1

Celtics guard Jaylen Brown dunks over Mavericks center Daniel Gafford during the second quarter. — Celtics guard Jaylen Brown dunks over Mavericks center Daniel Gafford during the second quarter.Danielle Parhizkaran/Globe Staff

Mavericks guard Luka Doncic (left) drives against Celtics guard Jaylen Brown during the fourth quarter. — Mavericks guard Luka Doncic (left) drives against Celtics guard Jaylen Brown during the fourth quarter.Barry Chin/Globe Staff

Celtics center Kristaps Porzingis stood in the way of Mavericks guard Luka Doncic in the second quarter. — Celtics center Kristaps Porzingis stood in the way of Mavericks guard Luka Doncic in the second quarter.Barry Chin/Globe Staff

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Celtics guard Jrue Holiday (left) keeps the ball in play by throwing it off Mavericks guard Kyrie Irving during the second quarter. — Celtics guard Jrue Holiday (left) keeps the ball in play by throwing it off Mavericks guard Kyrie Irving during the second quarter.Danielle Parhizkaran/Globe Staff

Mavericks coach Jason Kidd looks on during the fourth quarter. — Mavericks coach Jason Kidd looks on during the fourth quarter.Barry Chin/Globe Staff

Celtics forward Jayson Tatum connected on one of his three 3-pointer in the third quarter. — Celtics forward Jayson Tatum connected on one of his three 3-pointer in the third quarter.Danielle Parhizkaran/Globe Staff

Celtics center Al Horford reacts after hitting a 3-pointer in the first quarter. — Celtics center Al Horford reacts after hitting a 3-pointer in the first quarter.Barry Chin/Globe Staff

Mavericks center Dereck Lively II (right) fouls Celtics guard Jaylen Brown under the basket during the third quarter. — Mavericks center Dereck Lively II (right) fouls Celtics guard Jaylen Brown under the basket during the third quarter.Danielle Parhizkaran/Globe Staff

Celtics center Kristaps Porzingis helps defend Mavericks forward Derrick Jones Jr. during the third quarter. — Celtics center Kristaps Porzingis helps defend Mavericks forward Derrick Jones Jr. during the third quarter.Barry Chin/Globe Staff

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Celtics center Kristaps Porzingis and Celtics center Al Horford celebrated during the second quarter. — Celtics center Kristaps Porzingis and Celtics center Al Horford celebrated during the second quarter.Barry Chin/Globe Staff

Celtics center Kristaps Porzingis (center) shoots over Mavericks forward Derrick Jones Jr. during the second quarter. — Celtics center Kristaps Porzingis (center) shoots over Mavericks forward Derrick Jones Jr. during the second quarter.Barry Chin/Globe Staff

Celtics forward Jayson Tatum (left) passed around Mavericks guard Jaden Hardy during the second quarter. — Celtics forward Jayson Tatum (left) passed around Mavericks guard Jaden Hardy during the second quarter.Erin Clark/Globe Staff

Mavericks guard Luka Doncic (right) reacts after being fouled during the second quarter. — Mavericks guard Luka Doncic (right) reacts after being fouled during the second quarter.Barry Chin/Globe Staff

Celtics coach Joe Mazzulla (right) reacts next to assistant coach Sam Cassell during the fourth quarter. — Celtics coach Joe Mazzulla (right) reacts next to assistant coach Sam Cassell during the fourth quarter.Barry Chin/Globe Staff

Celtics center Kristaps Porzingis blocks Mavericks guard Josh Green during the first quarter. — Celtics center Kristaps Porzingis blocks Mavericks guard Josh Green during the first quarter.Danielle Parhizkaran/Globe Staff

Celtics guard Jaylen Brown steals the ball from Mavericks guard Luka Doncic in the first quarter. — Celtics guard Jaylen Brown steals the ball from Mavericks guard Luka Doncic in the first quarter.Barry Chin/Globe Staff

Celtics guard Jaylen Brown (left) passes to forward Sam Hauser (right) after Hauser tipped the ball away from Mavericks guard Luka Doncic in the first quarter. — Celtics guard Jaylen Brown (left) passes to forward Sam Hauser (right) after Hauser tipped the ball away from Mavericks guard Luka Doncic in the first quarter.Danielle Parhizkaran/Globe Staff

Celtics guard Jaylen Brown dunks during the first quarter. — Celtics guard Jaylen Brown dunks during the first quarter.Danielle Parhizkaran/Globe Staff

Former Celtics star Bill Walton, who died on May 27, was honored before the game. — Former Celtics star Bill Walton, who died on May 27, was honored before the game.Barry Chin/Globe Staff

Celtics center Kristaps Porzingis returned to action after a lengthy stint on the sidelines while recovering from a calf injury. — Celtics center Kristaps Porzingis returned to action after a lengthy stint on the sidelines while recovering from a calf injury.Barry Chin/Globe Staff

Celtics fan swarm into TD Garden as the doors open in the hours leading up to the game. — Celtics fan swarm into TD Garden as the doors open in the hours leading up to the game.Erin Clark/Globe Staff

Lynsdale Ford screams with excitement while arriving outside of TD Garden in the hours leading up to the game. — Lynsdale Ford screams with excitement while arriving outside of TD Garden in the hours leading up to the game.Erin Clark/Globe Staff

A Jayson Tatum figurine rests on Nate Gayman’s rearview mirror while he drives past TD Garden in his bright green convertible. — A Jayson Tatum figurine rests on Nate Gayman’s rearview mirror while he drives past TD Garden in his bright green convertible.Erin Clark/Globe Staff

Celtics fans take a photo with Ch. 4's David Wade outside of TD Garden. — Celtics fans take a photo with Ch. 4's David Wade outside of TD Garden.Erin Clark/Globe Staff