GERMANTOWN — Brian Keller, a Germantown High School graduate, made his major league debut with the Philadelphia Phillies. Watch: Germantown's Brian Keller makes MLB debut with Phillies:Germantown's Brian Keller debuts with Philadelphia Phillies"There's nothing like it," Steve Keller said. You know, he had a job to do and that's what he went to do," Ellen Keller said. "He's just working at it and working at it and working at it and that's that's what he did," Steve Keller said. "He's in his heart always known he could do this, just needed an opportunity to show it," Ellen Keller said.