In the NBA regular season, the Mavericks lost to the Pelicans 99-101. After the game, Flagg was interviewed.

Talking about how he always stops to sign autographs and greet fans, Flagg said: "I am only 18 years old, not far away from the age of those children. When I was a child, I also longed to get autographs from players and take photos with them, so I understand that feeling. I know how it feels to support someone on the sidelines, and I know it too. Just stopping to say hello may mean a lot to them and even change someone's life. "

In this campaign, Flagg played 35 minutes and 2 seconds, making 8 of 19, including 1 of 5 three-pointers, 3 of 3 free throws, 20 points, 9 rebounds, 2 assists, 3 steals and 2 blocks, with a plus-minus value of +1.