Given how good Cooper Flagg already is, it’s easy to forget that he’s yet to turn 20 years of age. The 19-year-old, whose birthday is on December 21, 2006, is blossoming into a legitimate superstar for the Dallas Mavericks right before our very eyes, and something higher up there than the sky ap...

Source: [Yahoo Sports](https://sports.yahoo.com/articles/mavericks-cooper-flagg-climbs-time-060541638.html)

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