Nationals pitcher Sean Doolittle announces his retirement after
Sean Doolittle Cites Autistic Brother-In-Law and More as
Washington Nationals' World Series pitcher Sean Doolittle declines
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Nationals acquire relievers Sean Doolittle, Ryan Madson from Athletics
Nationals pitcher Sean Doolittle announces his retirement after
A perfect Sean Doolittle has middle innings set for Washington
Sean Doolittle retires after path led to All-Star, World Series honors