Nationals placed RHP Ross Ohlendorf on the 60-day disabled list with a right lumbar strain.
Nationals optioned RHP Ross Ohlendorf, C Jhonatan Solano, INF Zach Walters, and RHP Christian Garcia to Triple-A Syracuse.
Ross Ohlendorf reported improvement Friday and the feeling is that he has no structural issues with his back.
Ross Ohlendorf was removed from Thursday's appearance due to back spasms.
Ross Ohlendorf left Thursday's game after four batters due to an apparent injury.
Ross Ohlendorf (side, finger) will make his Grapefruit League debut Friday.
Ross Ohlendorf (side) threw his first spring training bullpen session Thursday.
Nationals avoided arbitration with RHP Ross Ohlendorf by agreeing to a one-year, $1.25 million contract.
Ross Ohlendorf surrendered three earned runs over six innings Wednesday in a loss to the Braves.
Starting in place of Stephen Strasburg, Ross Ohlendorf allowed one run over five innings Friday in a win over the Phillies.
Ross Ohlendorf has been moved to the bullpen.
Ross Ohlendorf was charged with four runs over five innings in Sunday night's start against the Mets.
Ross Ohlendorf will start Sunday against the Mets.
Nationals manager Davey Johnson is leading toward starting Ross Ohlendorf on Sunday against the Mets.