Cronin (back) was sent outright Friday to Triple-A Rochester, Andrew Golden of The Washington Post reports.
Cronin (back) was designated for assignment by the Nationals on Monday, Andrew Golden of The Washington Post reports.
Cronin announced Wednesday via his personal Instagram account that he underwent season-ending surgery to address a herniated disc.
Cronin (undisclosed) was placed on the 7-day injured list Tuesday at Triple-A Rochester, Bobby Blanco of MASNSports.com reports.
The Nationals optioned Cronin to Triple-A Rochester on Tuesday, Andrew Golden of The Washington Post reports.