Boston Celtics guard Payton Pritchard (11) drives to the basket against Dallas Mavericks forward Olivier-Maxence Prosper (8) during the first half of an NBA basketball game in Boston.
Dallas Mavericks forward Anthony Davis, center, applauds with teammates during the first half of an NBA basketball game against the Boston Celtics in Boston.
Dallas Mavericks guard Klay Thompson, left, drives to the basket against Boston Celtics guard Derrick White (9) during the second half of an NBA basketball game in Boston.
Dallas Mavericks guard Kyrie Irving (11) drives to the basket against Boston Celtics guard Jordan Walsh during the second half of an NBA basketball game in Boston.
Dallas Mavericks guard Klay Thompson (31) drives to the basket as Boston Celtics forward Jayson Tatum (0) is trapped by Mavericks center Daniel Gafford (21) during the second half of an NBA basketball game in Boston.
Boston Celtics forward Jayson Tatum, left, battles Dallas Mavericks guard Kyrie Irving, right, for the ball during the first half of an NBA basketball game in Boston.
Boston Celtics center Kristaps Porzingis (8) tries to block a shot by Dallas Mavericks center Daniel Gafford (21) during the first half of an NBA basketball game in Boston.
Boston Celtics center Kristaps Porzingis (8) tries to keep control of the ball against Dallas Mavericks center Daniel Gafford, right, during the first half of an NBA basketball game in Boston.
Boston Celtics center Kristaps Porzingis, left, shoots over Dallas Mavericks guard Dante Exum (0) during the first half of an NBA basketball game in Boston.
