Jaylen Brown scores 40, Celtics beat Lakers 121-113

Los Angeles Lakers' Talen Horton-Tucker (5) goes to basket over Boston Celtics' Moritz Wagner (20) during the second half of an NBA basketball game Thursday, April 15, 2021, in Los Angeles. (AP Photo/Ringo H.W. Chiu)

Boston Celtics' Jaylen Brown shoots over Los Angeles Lakers' Alex Caruso (4) during the first half of an NBA basketball game, Thursday, April 15, 2021, in Los Angeles. (AP Photo/Ringo H.W. Chiu)

Boston Celtics' Jaylen Brown (7) shoots against the Los Angeles Lakers during the first half of an NBA basketball game Thursday, April 15, 2021, in Los Angeles. (AP Photo/Ringo H.W. Chiu)

Boston Celtics' Marcus Smart (36) goes to the basket under pressure from Los Angeles Lakers' Marc Gasol (14) during the first half of an NBA basketball game Thursday, April 15, 2021, in Los Angeles. (AP Photo/Ringo H.W. Chiu)

Boston Celtics' Jayson Tatum (0) dunks against the Los Angeles Lakers during the second half of an NBA basketball game Thursday, April 15, 2021, in Los Angeles. (AP Photo/Ringo H.W. Chiu)

Los Angeles Lakers' Marc Gasol, back, and Boston Celtics' Kemba Walker chase the ball during the second half of an NBA basketball game Thursday, April 15, 2021, in Los Angeles. (AP Photo/Ringo H.W. Chiu)

Los Angeles Lakers' Kyle Kuzma (0) goes to basket while defended by Boston Celtics' Luke Kornet (40) during the second half of an NBA basketball game Thursday, April 15, 2021, in Los Angeles. (AP Photo/Ringo H.W. Chiu)

Boston Celtics' Tristan Thompson dunks against the Los Angeles Lakers during the second half of an NBA basketball game Thursday, April 15, 2021, in Los Angeles. (AP Photo/Ringo H.W. Chiu)