Assuming neither has a collapse at the plate, Cesar Hernandez and Alcides Escobar profile as guys who can be moved easily at the deadline. If Cluff plays well, there will be opportunities to mak the majors in the second half. Even if the Nationals don't sell at the deadline, not like we have a crowded infield.
Up to Cluff. He hits in the minors, he'll be up this season.