No Luka Doncic for the 16th straight game. Dereck Lively II in a giant walking boot. Reigning Western Conference champion Mavericks wobbling in play-in territory. In those and other vivid ways, much had changed in the 222 days since Dallas and Boston last met,

DALLAS — Jayson Tatum scored 24 points, Derrick White added 23, including Boston’s first 11 of the third quarter, and the Celtics beat the Dallas Mavericks 122-107 on Saturday night in the first meeting between the teams since the NBA Finals.

On Saturday night, the Boston Celtics crushed the Dallas Mavericks (in Texas) by a score of 122-107. Jayson Tatum finished with 24 points, six rebounds, three assists and one steal while shooting 8/22 from the field and 4/12 from the three-point range in 35 mintues of playing time.