Young goes on the DL Thursday with hip and back injuries. The move is retroactive to Wednesday.
The Nationals also are putting starting second baseman Anderson Hernandez on the 15-day DL, retroactive to March 27. Hernandez has a strained left hamstring.
The Nationals already had announced Hernandez would miss the start of the season. Ronnie Belliard is expected to start at second base while Hernandez is out.