Mavericks' Cooper Flagg admits rookie season has been 'mentally taxing' amid the team's struggles

Cooper Flagg's first season in the NBA has not gone as planned and the rookie admitted it’s been tough.

Flagg, 19, has had considerable personal success this season and is in contention for the NBA’s Rookie of the Year award. However, the Dallas Mavericks are 24-52 and nowhere near playoff contention.

"Obviously, it’s been tough. Like you said, you know, through high school, college, I mean, I only lost four games last year. So there have been times of the season where it’s been, you know...