Is Dirk Nowitzki the Most Underrated Superstar in History?

Entering his 19th season, Mavericks veteran Dirk Nowitzki is looking to reach new milestones. Since entering the league in 1998, Dirk has stayed with the same franchise and has proved to be a leader throughout.

Is Nowitzki the most underrated superstar in history? Find out about the milestones he could reach this season in the video above.