Dallas Mavericks forward Cooper Flagg woke up the crowd at American Airlines Center on Thursday amid their lackluster start against the Charlotte Hornets. He drove past Brandon Miller and attacked the rim before throwing down the nasty facial against Moussa Diabate, stirring the fans into a frenzy. COOPER FLAGG POSTER SLAM ON MOUSSA DIABATE 🍿 pic.twitter.com/La6Drt9J60 — ClutchPoints (@ClutchPoints) January 30, 2026You want an autograph with your poster, Diabate? Flagg and Knueppel will battle again in the Rising Stars Challenge in next month's All-Star Friday in Los Angeles. With Anthony Davis possibly being traded and Kyrie Irving still out of commission, the Mavericks are definitely Flagg's team now.