Former Nationals reliever Sean Doolittle retires after '11
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Sean Doolittle retires after 11 MLB seasons, leaving lasting
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Former Nationals reliever Sean Doolittle retires after '11
Sean Doolittle Retires After 11 MLB Seasons; Won 2019 World Series
Nationals pitcher Sean Doolittle announces his retirement after
Sean Doolittle - MLB News, Rumors, & Updates
Sean Doolittle Major League Baseball, News, Scores, Highlights
Reliever Sean Doolittle announces MLB retirement after 11 seasons