What We Learned About Nats Pitcher Sean Doolittle - The Kojo
Against the Odds—VIRGINIA Magazine
Nationals pitcher Sean Doolittle announces his retirement after
Nationals Pitcher Sean Doolittle: The Closer Role Is All About
I just can't do it': Nationals pitcher Sean Doolittle declines
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Sean Doolittle retires after 11 MLB seasons, leaving lasting
Sean Doolittle retires after 11 MLB seasons with a 'full heart