Nationals reliever Sean Doolittle on IL with sprained elbow
Sean Doolittle retires
Washington Nationals News: Former closer Sean Doolittle signs in
Mariners claim left-handed reliever Sean Doolittle from Cincinnati
Nationals pitcher Sean Doolittle announces his retirement after
Former A's reliever Sean Doolittle returns to Coliseum: 'I grew up
Thank you, Sean Doolittle
Sean Doolittle retires, his gratitude far outweighing any regret
Washington Nationals' World Series winner Sean Doolittle signs on
Reports: Sean Doolittle agrees to deal with Cincinnati Reds
Sean Doolittle hopes for Nationals' reunion - The Washington Post
Nationals pitcher Sean Doolittle announces his retirement after
10 Reasons We're Going To Miss Sean Doolittle