Aaron Barrett (biceps) will begin a rehab assignment with High-A Potomac on Wednesday.
Aaron Barrett (biceps) has been playing catch.
Nationals placed RHP Aaron Barrett on the 15-day disabled list with a right biceps strain.
Aaron Barrett was removed from Thursday's contest against the Brewers with an apparent injury.
Nationals recalled RHP Aaron Barrett from Triple-A Syracuse.
Aaron Barrett has been placed on the 7-day disabled list at Triple-A Syracuse due to back spasms.
Nationals optioned RHP Aaron Barrett to Triple-A Syracuse.
Aaron Barrett whiffed Giancarlo Stanton -- the only batted he faced -- in Thursday's win over the Marlins.
Aaron Barrett has made the Nationals' bullpen.
Nationals purchased the contract of RHP Aaron Barrett from Double-A Harrisburg.