6. Flagg won gold with Team USA Flagg represented Team USA at the 2022 FIBA Under-17 Basketball World Cup, where he was named All-Tournament Team after averaging 9.3 points, 10.0 rebounds, 2.9 blocks and 2.4 steals en route to a gold medal campaign for his country and was chosen for the USA Select Team ahead of the 2024 Summer Olympics. 7. Flagg's hometown once threw a parade for him Before moving to Florida to attend powerhouse high school, Montverde Academy, Flagg spent his freshman year in his home state of Maine, attending the local school, Nokomis Regional High School. The ninth-grader averaged 20.5 points, 10 rebounds, 6.2 assists, 3.7 steals and 3.7 blocks for Nokomis en route to winning the school's first-ever high school state basketball championship. Following the historic championship win, the surrounding communities that feed into Nokomis threw Flagg a parade. 8. Flagg doesn't turn 19 until Christmas week When the Mavericks open the 2025-26 campaign at home against Victor Wembenyama and the Spurs, their newly-minted No. 1 pick will still be just 18 years old. Flagg turns 19 on Dec. 21. 9. Flagg is a New Balance athlete New Balance announced in August that they struck a multi-year sneaker deal with Flagg, before the start of his historic freshman season. The Newport, Maine, native grew up 25 miles from the New Balance Skowhegan manufacturing facility. However, he was required to wear Nike sneakers on the court due to Duke's partnership with Nike. Flagg wore New Balance shoes for the first time in an official capacity at the 2025 NBA Draft Combine in Chicago, where he donned the New Balance HESI LOW V2 in the "Sunfade Red" colorway. 10. Flagg flashed floor general potential at Duke The Duke star became the first ACC freshman in 25 years to tally over 500 points and 100 assists. Grant Hill, the managing director of USA Basketball, said Flagg's best attribute is his versatility, citing his ability to contribute as a scorer and facilitator. “He can read the game and figure out what’s needed from him for his team to have success," Hill told NBC News. "He assesses what’s happening in the game and has the talent and ability to provide what’s needed, and that’s unique, particularly for someone so young.”