Former Oakland A's, Washington Nationals reliever announces retirement
Reds Sign Sean Doolittle - MLB Trade Rumors
Washington Nationals: Sean Doolittle kicked to the curb by Reds
Nationals Pitcher Sean Doolittle Reads Story Time At Arlington Library
What Was and What's Next for Sean Doolittle – NBC4 Washington
Nationals pitcher and LGBTQ ally Sean Doolittle retires from MLB - Outsports
Jose Castillo on comeback trail again for Padres - The San Diego Union-Tribune
Category: Nationals
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Sean Doolittle - Wikipedia
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Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors - WTOP News