Cooper Flagg is absolutely TAKING OVER the NBA in December 2025. The Dallas Mavericks' #1 pick is averaging over twenty points per game this month, locking down All-Stars on defense, and has officially climbed to the top of the Kia Rookie Ladder. Is he becoming the two-way superstar the entire league feared? This full rookie breakdown explains why teams are already scared of the nineteen-year-old phenom. From his dominant Duke days to carrying a post-Luka Mavericks squad, we dive deep into Flagg's explosive December surge, elite defense, rising efficiency, and why his ceiling could be generational. 🔥 Cooper Flagg December 2025 stats: twenty point three PPG, elite defense, back-to-back-to-back twenty-plus point games 🔥 Currently #1 on the Kia Rookie Ladder 🔥 Western Conference Rookie of the Month (October/November) 🔥 Historic performances vs Clippers, Nuggets, Heat & more Is Cooper Flagg winning Rookie of the Year over Kon Knueppel? Will he be an All-Star by twenty twenty-seven? Drop your predictions in the comments! 🔔 Subscribe for daily NBA breakdowns, rookie updates, and hot takes! 👍 Like if you think Flagg is the real deal 💬 Comment: Flagg or Knueppel for ROY? #CooperFlagg #NBARookie #DallasMavericks #CooperFlaggHighlights #RookieOfTheYear #NBA2025 #KiaRookieLadder #Mavericks #NBABreakdown #CooperFlaggDefense