Sean Doolittle's emotional return to Nationals Park includes hugs, gifts, and tributes: 'I'm so grateful
Sean Doolittle retires, his gratitude far outweighing any regret - The Washington Post
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Sean Doolittle joins “Nats Xtra”
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Collection: Recent local coverage related to COVID-19
Nationals Pitcher Sean Doolittle Reads Story Time At Arlington Library
I just can't do it': Nationals pitcher Sean Doolittle declines White House invite, Washington Nationals
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Nationals' Sean Doolittle on baseball's return during COVID pandemic
Sean Doolittle: Nationals pitcher declines White House visit, Washington Post reports