NBC4 Washington on Instagram: Sean Doolittle has decided to
Nationals pitcher Sean Doolittle announces his retirement after
Nationals pitcher Sean Doolittle announces his retirement after
Nationals pitcher Sean Doolittle announces retirement
Book Pitcher Sean Doolittle Retires from Day Job
Sean Doolittle Announces Retirement - MLB Trade Rumors
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All-Star Pitcher Sean Doolittle : Bullseye with Jesse Thorn : NPR
Washington Nationals - Washington Times