Nationals pitcher Sean Doolittle announces his retirement after
Former A's reliever Sean Doolittle returns to Coliseum: 'I grew up here, man
Washington Nationals relief pitcher Sean Doolittle : Bullseye with Jesse Thorn : NPR
Sean Doolittle, Baseball's Left-Wing Lefty, Retires
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Sean Doolittle Announces Retirement : r/Nationals
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Washington Nationals reliever Sean Doolittle heads to IL with sprained elbow - ESPN
Longtime Washington Nationals, Oakland Athletics Reliever Sean Doolittle Retires - Fastball
Nationals' Sean Doolittle retiring after more than a decade in the majors
Washington Doolittle Retires Baseball, Sports
Sean Doolittle Announces Retirement - MLB Trade Rumors
Sean Doolittle retires after 11 MLB seasons, leaving lasting Nationals, A's legacy - The Athletic
Sean Doolittle - Wikipedia