Sean Doolittle, part of Nats' World Series team, retires - The Washington Post
Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors – NBC4 Washington
Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors, Sports
⚾️⚾️ The Morning Briefing: Director of Player Development not returning next season
Reliever Sean Doolittle announces MLB retirement after 11 seasons – NBC Sports Bay Area & California
Washington Nationals pitcher Sean Doolittle announces retirement after more than a decade in MLB
Washington Doolittle Retires Baseball, Sports
Nationals pitcher Sean Doolittle announces his retirement
Washington Nationals re-sign Sean Doolittle to minor league deal; decline 2023 option for Nelson Cruz - Federal Baseball