SALT LAKE CITY — Cooper Flagg scored the most points by an 18-year-old in NBA history, but he couldn’t enjoy the accomplishment because it came in a loss. Flagg had 42 points — topping the previous mark of 37 set by LeBron James on Dec. 13, 2003 — in a 140-133 loss to the Utah Jazz on Monday night. READ: NBA: Cooper Flagg, Mavericks extend first 3-game winning streak COOPER FLAGG SCORES THE MOST POINTS EVER BY AN 18-YEAR-OLD IN NBA HISTORY!!! 42 PTS (career high)7 REB6 AST2 BLK pic.twitter.com/oCXzgiKiG7 — NBA (@NBA) December 16, 2025 “Obviously we didn’t win. […]... Keep on reading: NBA: Cooper Flagg makes history but laments Mavericks' OT loss