Dec 15, 2025; Salt Lake City, Utah, USA; Utah Jazz forward Lauri Markkanen (23) prepares to shoot against Dallas Mavericks forward Dwight Powell (7) and forward Cooper Flagg (32) during the first quarter at Delta Center. Mandatory Credit: Rob Gray-Imagn Images | Rob Gray-Imagn Images

Keyonte George scored 37 points and Lauri Markkanen added 33 to lift the Utah Jazz to a 140-133 overtime win against the Dallas Mavericks on Monday night, despite a career-high 42 points from Cooper Flagg.

Dallas Mavericks star Cooper Flagg became the first 18-year-old in NBA history to score 42 points as the team lost to the Utah Jazz in overtime.

This article was originally published on www.si.com/nba/mavericks/onsi as Mavericks' Cooper Flagg finds little joy in career milestone after loss to Jazz. The Dallas Mavericks had their two-game winning streak snapped on Monday night, surrendering a season-high 140 points in a road loss to the Utah Jazz.

Cooper Flagg suffered an ankle injury during the Mavericks' competitive overtime loss to the Jazz on Monday night.

Flagg stamped his name at the top of the league’s history books with a career-high 42 points, the most ever scored by an 18-year-old.

The Utah Jazz were on the opposite side of history amid Cooper Flagg's 42-point night vs. the Dallas Mavericks..