Astros acquired RHP Garrett Mock from the Red Sox in exchange for future considerations.
Red Sox signed RHP Garrett Mock to a minor league contract.
Blue Jays signed RHP Garrett Mock to a minor league contract.
Nationals sent RHP Garrett Mock outright to Triple-A Syracuse.
Nationals designated RHP Garrett Mock for assignment.
Nationals optioned RHPs Garrett Mock and Adam Carr to Triple-A Syracuse.
Garret Mock walked three and was charged with five runs -- one earned -- in two-thirds of an inning against the Cardinals on Thursday.
Nationals activated RHP Garrett Mock from the 60-day disabled list and optioned him to Triple-A Syracuse.
Garrett Mock, on the DL since April with a spine injury, is slated to make a rehab appearance for Triple-A Syracuse on Tuesday.
Nationals transferred RHP Garrett Mock from the 15-day to the 60-day disabled list.
Garrett Mock, who is on the shelf with a cervical spinal disc injury, said Friday that he hopes to be ready for game action in six weeks.
Garrett Mock (neck) played catch at Nationals Park on Monday.
According to Nationals general manager Mike Rizzo, right-hander Garrett Mock (neck) felt a twinge during a bullpen session on Monday.
Nationals placed RHP Garrett Mock on the 15-day DL, retroactive to April 11, with a cervical spine injury.