The former Nationals left-hander is back in the organization and will begin in Triple A.
What does their return means for this Nationals roster and lineup moving forward?
With Sammy Solis on the DL, Perez is the only left-hander left in the Nationals' bullpen.
Meanwhile, Ryan Zimmerman and Jose Lobaton are expected back Friday.
Things to think about as the Nationals hit Turner Field for their penultimate series there.
The 23-year-old right-hander is back in the big leagues for the second time, as the Washington bullpen is down to one lefty.
Lineups and discussion thread for Wednesday afternoon's game against the Rockies.
The Nationals overtaxed bullpen may be getting some help Wednesday.
On Difo's position change, a new deal with Hagerstown, and the Nationals' first minor leaguer suspended since 2012.
Lineups for this evening's game against the Rockies.