Sean Doolittle retirement: World Series champion, All-Star relief pitcher Sean Doolittle announces retirement after 11 seasons
Sean Doolittle saves a World Series game - Athletics Nation
D.C.'s favorite bearded, bespectacled baseball player to pitch with Nationals again : NPR
Sean Doolittle feels 'like a rookie again' ahead of second stint with Nationals - WTOP News
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One of my favorite photos from the 2019 World Series run. Congrats to Sean Doolittle on his retirement! : r/Nationals
Beloved relief pitcher Sean Doolittle is back with the Washington Nationals
World Series champion pitcher retires from MLB after 11 seasons (video)
Tag: Oakland A's – NBC Bay Area
Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors
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World Series Champion Sean Doolittle Announces Retirement
Sean Doolittle retires after 11 MLB seasons with a 'full heart
World Series Champion Sean Doolittle Announces Retirement