In the NBA regular season, the Mavericks lost to the Suns at home 114-123. After the game, Flagg was interviewed.

Talking about the reason why Brandon Williams has performed so strongly recently, Flagg said: "I think it is his energy. I think Brandon Williams plays with amazing energy every night. Obviously he is extremely fast, which helps him a lot. He puts his speed into the game. He used it very well. But I think there is also his attitude. He perfectly explains what a hard-working person is. I respect him very much. He has helped our team a lot so far."

In this campaign, Brandon Williams scored 17 points, 5 rebounds, 9 assists and 3 steals.