Cooper Flagg is on top of the world right now after winning the 2026 NBA Rookie of the Year award, defeating former Duke teammate Kon Knueppel by 26 votes after putting up a record-breaking season.

The Mavericks' rookie phenom got a warm congratulations from his mom, dad and brother.

Dallas Mavericks forward Cooper Flagg capped off his rookie season winning the NBA’s Rookie of the Year Award, a fitting end for an historic rookie season and got another “honor” from former teammate ...

Cooper Flagg has proven time and again that he is NBA-ready as he continues his rookie season. But along with his talent, the Mavericks star has also faced challenges dealing with aggressive fouls.

The Dallas Mavericks entered the 2025-26 season with expectations centered on development around No. 1 pick Cooper Flagg. Instead, the year has turned into a challenging stretch, with Dallas holding a ...