Tanner Roark, not Gio Gonzalez, will start for the Nationals on Sunday.
Tanner Roark could start for the Nationals in Sunday's season finale against the Diamondbacks.
Tanner Roark took his first loss after giving up four runs in five innings versus the Cardinals on Monday.
Tanner Roark's start on Monday in St. Louis is expected to be his last of the season.
Tanner Roark fired seven scoreless innings to lead the Nationals past the Braves 4-0 in Game 2 of Tuesday's day-night doubleheader in Washington, D.C.
Tanner Roark yielded two runs over six innings Thursday in a win over the Mets.
Tanner Roark tossed six shutout frames Saturday in the Nationals' win over the Marlins.
Tanner Roark will make his first career MLB start on Saturday in Miami against the Marlins.
Nationals manager Davey Johnson indicated Tuesday that Tanner Roark could take Ross Ohlendorf's spot in the rotation.
Nationals manager Davey Johnson said Wednesday that Tanner Roark is a candidate to start a game over the next few weeks.
Nationals purchased the contract of RHP Tanner Roark from Triple-A Syracuse.
Nationals acquired RHP Tanner Roark and RHP Ryan Tatusko and RHP Tanner Roark from the Rangers for infielder Cristian Guzman and cash.
Right-handers Tanner Roark and Ryan Tatusko will go to the Nationals in the Cristian Guzman trade.