Nationals pitcher Sean Doolittle announces his retirement after

Washington Doolittle Retires Baseball, Sports

Doolittle announces retirement after 11 MLB seasons - Blog

Washington Nationals pitcher Sean Doolittle announces his retirement

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

Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors, Sports

Nationals' Sean Doolittle skipping White House event

Sean Doolittle

Sean Doolittle - Wikipedia

Ex-Nats reliever Sean Doolittle exits after '11 incredible seasons' - ESPN

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