Sean Doolittle retirement: World Series champion, All-Star relief pitcher Sean Doolittle announces retirement after 11 seasons
Sean Doolittle - Wikipedia
Washington Nationals: The bullpen is still far from ready
Sean Doolittle signs deal with Reds
Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors – NBC4 Washington
Whiff: Nats closer Doolittle calmed by lavender oil on glove
Nationals' Sean Doolittle finds touching way to honor late grandmother
The Red Report 2021 - Sean Doolittle - Red Reporter
Against the Odds—VIRGINIA Magazine