The Cooper Flagg Era, if it wasn’t obvious before, formally commenced Thursday night, when he stepped onto the American Airlines Center court as the unquestioned face of the Mavericks. On this night in which the trade of Anthony Davis to Washington became official about an hour before tip-off,

It’s officially the Cooper Flagg era in Dallas, as the Mavericks traded away Anthony Davis on Wednesday afternoon for a package of players and picks from the Wa