Nationals optioned RHP Nate Karns to Double-A Harrisburg.
Nate Karns lasted just 4 2/3 innings while giving up four runs -- three earned -- in a loss Sunday to the Braves.
Nate Karns will get another start on Sunday in Atlanta.
Nate Karns allowed three runs in 4 1/3 innings against the Orioles on Tuesday.
Nationals recalled RHP Nate Karns from Double-A Harrisburg.
The Nationals will call up right-hander Nate Karns to start Tuesday against the Orioles.
Nate Karns allowed three runs on seven hits over six innings and had six strikeouts in his start Friday at Double-A Harrisburg.
Nationals optioned RHP Nathan Karns to Double-A Harrisburg.
Nationals prospect right-hander Nathan Karns (leg) has been cleared to throw a bullpen session.
Nathan Karns will undergo an X-ray and an MRI on his right leg.
Nationals manager Davey Johnson said Friday that prospect right-hander Nathan Karns is dealing with a right leg issue.
Nationals purchased the contract of RHP Nathan Karns from High-A Potomac.