In the NBA regular season, the Mavericks defeated the Trail Blazers 138-133 in overtime.

In this game, Flagg, the top pick of the Mavericks, performed well, especially in the overtime. In 37 minutes, he made 9 of 16 shots, 1 of 3 three-pointers, and 2 of 3 free throws. He scored 21 points, 8 rebounds, 5 assists, 1 steal, and 2 blocks, with a plus-minus value of +10.