Ross Detwiler, out since July 4 with a strained lower back, hasn't started throwing off a mound yet and has probably run out of time to make it back to the Nationals rotation this season.
The Nationals open a key homestand against the bottom three teams in the NL East, beginning tonight with the last-place Marlins. Get live updates on Nats Insider.
The Washington Nationals will have eight representatives in the 2013 Arizona Fall League, all playing for the Mesa Solar Sox.
Devastating injuries, to Jason Heyward and Matt Harvey, as well as a managerial change, have made this an interesting week in the NL East.