The cooperative flagging system, known as “Cooper Flagg,” made its debut in Las Vegas Summer League with the Dallas Mavericks’ victory over the Los Angeles Lakers. The versatile system, which involves multiple flaggers communicating and cooperating to make accurate calls, was the center of attention throughout the game. Key takeaways from its debut include seamless communication among flaggers, improved accuracy in judging plays, a notable reduction in missed calls, increased engagement from players and coaches, and potential adaptability to various levels of play. The system’s success has sparked discussions about its potential implementation in regular-season games, highlighting a significant development in officiating tools. The Cooper Flagg system’s debut marks a notable advancement in promoting fair and efficient gameplay.