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Ex-Nats reliever Sean Doolittle exits after '11 incredible seasons' - ESPN
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MLB faces labor tensions: What the players want in new CBA
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Sean Doolittle Returning To Washington Nationals
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Washington Nationals need Sean Doolittle to be Sean Doolittle again; and he's almost there - Federal Baseball
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A's Q&A: Sean Doolittle among baseball's best at doing for others
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Nationals pitcher and LGBTQ ally Sean Doolittle retires from MLB - Outsports
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Category: Nationals
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Sean Doolittle returns to Nationals Park as a Cincinnati Red - The Washington Post
![Sean Doolittle, Baseball's Left-Wing Lefty, Retires](https://www.thenation.com/wp-content/uploads/2021/08/curt-flood-gty.jpg)
Sean Doolittle, Baseball's Left-Wing Lefty, Retires
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Whether on the mound or for refugees in need, relief is a calling for the A's' Sean Doolittle - Los Angeles Times
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Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors, National
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Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors – NBC4 Washington
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Sean Doolittle, part of Nats' World Series team, retires - The Washington Post
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MLB players who might retire after the 2022 season
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Sean Doolittle retires after 11 MLB seasons with a 'full heart