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
Sean Doolittle rebounds in spring outing vs. A's
Nationals acquire Ryan Madson, Sean Doolittle in trade with A's
Doolittle's LGBTQ outreach should set an example for MLB - Outsports
Sean Doolittle: Nationals All-Star tweets at Smash Mouth - Sports Illustrated
Sean Doolittle retires after 11 MLB seasons, leaving lasting Nationals, A's legacy - The Athletic
The Red Report 2021 - Sean Doolittle - Red Reporter
Oakland A's Atop The AL West