Nationals pitcher Sean Doolittle announces his retirement after
Sean Doolittle pledges to pay Nationals minor leaguers' salaries
Sean Doolittle - MLB News, Rumors, & Updates
Free For All Friday #19 - by Wendy Thurm - hanging sliders
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Sean Doolittle, part of Nats' World Series team, retires - The
All-Star reliever Sean Doolittle retires after 11 seasons - Field
Off the wire
Washington Nationals relief pitcher Sean Doolittle : Bullseye with
Longtime Washington Nationals, Oakland Athletics Reliever Sean
Nationals pitcher Sean Doolittle announces his retirement after