Cooper Flagg sets NBA record for points by an 18-year-old, besting LeBron James

• Flagg scored 42 points, breaking James’ 2003 record of 37

• Dallas lost 140-133 to the Utah Jazz

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.