Celtics top Heat 117-106, cut East Conference finals deficit to 2-1

Referee Eric Lewis (42) looks on as Miami Heat’s Jae Crowder (99) smiles after fouling the Boston Celtics on a shot attempt during the second half of an NBA conference final playoff basketball game, Saturday, Sept. 19, 2020, in Lake Buena Vista, Fla. (AP Photo/Mark J. Terrill)

Boston Celtics’ Jaylen Brown, left, and Miami Heat’s Jae Crowder (99) exchange words as Kemba Walker (8) attempts to calm the situation during the second half of an NBA conference final playoff basketball game, Saturday, Sept. 19, 2020, in Lake Buena Vista, Fla. (AP Photo/Mark J. Terrill)

LAKE BUENA VISTA, Fla. — Getting big leads has been relatively easy for the Boston Celtics in these Eastern Conference finals.