By Matt Hladik As expected, Duke has lost several players to the NBA Draft in the three weeks since the Blue Devils’ season ended at the Final Four. There was no drama with Duke’s first three early entrants; Paolo Banchero, Wendell Moore and Mark Williams were all widely projected to leave school early. However, freshman guard Trevor Keels seemed to have more of a true decision to make after an up-and-down season. On Saturday, Keels announced that decision. He is entering the draft, joining Banchero as a “one and done” prospect. Freshman wing A.J. Griffin is also expected to declare by the end…