Sean Doolittle retires
Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors - NBC Sports
Oakland A's injury updates: A's option A.J. Griffin, transfer Sean Doolittle to 60-day disabled list - Athletics Nation
Sean Doolittle, part of Nats' World Series team, retires - The Washington Post
A's Pitcher Sean Doolittle Turns Plan B Into Good Career Move - The New York Times
Sean Doolittle] Announces retirement from baseball : r/baseball
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 – NBC4 Washington
Victory! Minor League Baseball Players Are Finally Unionized.
Sean Doolittle retires
Nationals Pitcher Sean Doolittle Reads Story Time At Arlington Library
MLB players who could retire this offseason
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