Doolittle announces retirement after 11 MLB seasons - Blog
Sean Doolittle welcomed back with pregame ceremony at Nats Park
Washington Nationals re-sign Sean Doolittle to minor league deal
Washington Nationals pitcher Sean Doolittle to join Cincinnati
Ally and baseball pro Sean Doolittle wears Pride on his cleats
Sean Doolittle - Wikipedia
Sean Doolittle on his return to Nats Park
A perfect Sean Doolittle has middle innings set for Washington
Thank you, Sean Doolittle
Sean Doolittle hopes for Nationals' reunion - The Washington Post
Sean Doolittle - MLB News, Rumors, & Updates
What to know about new Cincinnati Reds reliever Sean Doolittle