However, even though these current Nationals players will not be playing for championships, several former Nationals are making impacts on prospective playoff teams. The Philadelphia TrioThree of the four most notable former Nationals on this list are pivotal pieces in the Phillies lineup. Former Nationals first-round pick and phenom Bryce Harper, now playing first base, is having another great season in Philadelphia. Nathaniel LoweNathaniel Lowe has played much better with Boston since he was designated for assignment by the Nationals. Erick FeddeThis has been a chaotic season for 2014 Nationals first round pick Erick Fedde.