Sean Doolittle retires, his gratitude far outweighing any regret - The Washington Post

Sean Doolittle hopes for Nationals' reunion - The Washington Post

Washington Nationals' Sean Doolittle avoided Metro for weeks after teenager said he resembled Seth Rogen - The Washington Post

Sean Doolittle wants a different ending with Washington Nationals - The Washington Post

Sean Doolittle retires

Sean Doolittle hopes for Nationals' reunion - The Washington Post

Sean Doolittle Retires After 11 MLB Seasons; Won 2019 World Series with Nationals, News, Scores, Highlights, Stats, and Rumors

Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors - WTOP News

Sean Doolittle retires, his gratitude far outweighing any regret - The Washington Post

Peter Dreier, Robert Elias - Baseball Rebels - The Players, People, and Social Movements That Shook Up The Game and Changed America-University of Nebraska Press (2022), PDF, American Civil War

Sean Doolittle retires after path led to All-Star, World Series honors

Saluting Sean Doolittle, one of the good ones

Longtime Washington Nationals, Oakland Athletics Reliever Sean Doolittle Retires - Fastball

Sean Doolittle retires