Cruz, Doolittle, Sánchez, Parra give Nats some experience
Sean Doolittle Returning To Washington Nationals
Nationals sign Nelson Cruz, bring back Sean Doolittle - Washington
Washington Nationals agree to terms with Sean Doolittle
Nationals 2020 Vision: The book on Sean Doolittle - WTOP News
The Nationals need a left-handed reliever. One could be on the way
Nats get Madson, Doolittle from A's for Treinen, prospects - WTOP News
Nationals non-tender Wander Suero, Ryne Harper, add César
Sean Doolittle: The all-around All-Star
The best and worst one-year deals in Nationals history - Blog
Nationals announce Opening Day roster
Nationals Acquire Sean Doolittle, Ryan Madson - MLB Trade Rumors
Sean Doolittle is needed to help players of another ERA
Levels of interest in Nats' free agents - Blog