Reliever Sean Doolittle announces MLB retirement after 11 seasons – NBC Sports Bay Area & California
Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors - NBC Sports
National Pitcher Sean Doolittle Announces His Retirement – Bullscore
Sean Doolittle, known for his liberal views, won't be at the White House on Monday - The Boston Globe
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Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors
Former Nationals reliever Sean Doolittle retires after '11 incredible seasons
Sean Doolittle: Nationals pitcher declines White House visit, Washington Post reports
Sean Doolittle retirement: World Series champion, All-Star relief pitcher Sean Doolittle announces retirement after 11 seasons
Two-time All-Star reliever announces retirement
National Pitcher Sean Doolittle Announces His Retirement – Bullscore
The Red Report 2021 - Sean Doolittle - Red Reporter
Sean Doolittle: Sports are a reward America must earn - The Washington Post
Two-time All-Star reliever announces retirement
All-Star reliever Sean Doolittle retires after 11 seasons - Field Level Media - Professional sports content solutions