Herrera re-signed with the Nationals on a minor-league contract on Dec. 1.
Herrera signed a minor-league contract with the Nationals on Feb. 9.
Herrera was placed on the 7-day injured list Friday at Triple-A Nashville due to a groin strain, Levi Weaver of The Athletic reports.
Herrera (shoulder) has been sent outright to Triple-A Nashville.
Herrera (shoulder) hasn't progressed beyond throwing off flat ground at extended spring training, T.R. Sullivan of MLB.com reports.
Herrera is dealing with labrum inflammation and will be sidelined until July, Evan Grant of The Dallas Morning News reports.
Herrera is limited this spring because of inflammation in his right shoulder, T.R. Sullivan of MLB.com reports.
Herrera was sent back to Double-A Trenton on Friday, Brendan Kuty of NJ.com reports.
Herrera was recalled by the Yankees on Monday.
Herrera was optioned to Double-A Trenton on Thursday.