2018 Eastern Conference Finals: Boston Celtics vs Cleveland Cavaliers (Game 4 Photos)

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Boston Celtics forward Al Horford (42) controls the ball against Cleveland Cavaliers center Tristan Thompson (13) during the first quarter in game four of the Eastern conference finals of the 2018 NBA Playoffs at Quicken Loans Arena.

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Boston Celtics forward Marcus Morris (13) looks to pass in front of Cleveland Cavaliers center Kevin Love (0) during the first quarter in game four of the Eastern conference finals of the 2018 NBA Playoffs at Quicken Loans Arena.

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Cleveland Cavaliers forward LeBron James (23) looks to pass in front of Boston Celtics guard Jaylen Brown (7) during the first quarter in game four of the Eastern conference finals of the 2018 NBA Playoffs at Quicken Loans Arena.

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Boston Celtics forward Al Horford (42) attempts a basket over Cleveland Cavaliers center Kevin Love (0) during the first quarter in game four of the Eastern conference finals of the 2018 NBA Playoffs at Quicken Loans Arena.

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Boston Celtics guard Jaylen Brown (7) and Cleveland Cavaliers guard Kyle Korver (26) scramble for a loose ball during the first half in game four of the Eastern conference finals of the 2018 NBA Playoffs at Quicken Loans Arena.

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Boston Celtics head coach Brad Stevens talks with his team during the second quarter against the Cleveland Cavaliers in game four of the Eastern conference finals of the 2018 NBA Playoffs at Quicken Loans Arena.

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Boston Celtics guard Terry Rozier (12) defends against Cleveland Cavaliers guard Jordan Clarkson (8) during the second quarter in game four of the Eastern conference finals of the 2018 NBA Playoffs at Quicken Loans Arena.

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Cleveland Cavaliers forward LeBron James (23) attempts a layup against Boston Celtics guard Terry Rozier (12) and guard Marcus Smart (36) during the third quarter in game four of the Eastern conference finals of the 2018 NBA Playoffs at Quicken Loans Arena.

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Boston Celtics guard Terry Rozier (12) reacts after losing to the Cleveland Cavaliers in game four of the Eastern conference finals of the 2018 NBA Playoffs at Quicken Loans Arena.

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Cleveland Cavaliers forward LeBron James (23) signals a play against the Boston Celtics during the forth quarter in game four of the Eastern conference finals of the 2018 NBA Playoffs at Quicken Loans Arena.