Sean Doolittle on 2020 season, free agency
No test results, lots of uncertainty: Sean Doolittle details anxiety within MLB summer camps
Sean Doolittle stresses importance of health safety in plans for 2020 MLB season - Athletics Nation
Sean Doolittle: The all-around All-Star
Sean Doolittle is back with the Washington Nationals after signing minor league contract
Sean Doolittle retires after path led to All-Star, World Series honors
Report: Reds agree to deal with reliever Doolittle
Sean Doolittle retirement: World Series champion, All-Star relief pitcher Sean Doolittle announces retirement after 11 seasons
Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors
Washington Nationals re-sign Sean Doolittle to minor league deal; decline 2023 option for Nelson Cruz - Federal Baseball
Ex-Nats reliever Sean Doolittle exits after '11 incredible seasons' - ESPN
Washington Nationals' Sean Doolittle on MLB's 2020 season; decreased velo + more - Federal Baseball
Nationals Pitcher Sean Doolittle: The Closer Role Is All About Managing Energy
Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors - WTOP News
All-Star reliever Sean Doolittle retires after 11 seasons - Field Level Media - Professional sports content solutions