Sean Doolittle gives up homer in 9th as A's lose to White Sox 5-4
Sean Doolittle retires after 11 MLB seasons, leaving lasting
Washington Nationals: Should Sean Doolittle Be An All-Star?
LAA@OAK: A fan imitates Doolittle's wind-up
SEA@OAK: Doolittle strikes out all four batters faced
How unique is Sean Doolittle? - Athletics Nation
Whiff: Nats closer Doolittle calmed by lavender oil on glove
New Washington Nationals' relievers Sean Doolittle and Ryan Madson
The All-Star Closer Who Is Trying to Save Bookstores - WSJ
Doolittle's LGBTQ outreach should set an example for MLB - Outsports
Sean Doolittle, Bryce Harper and Max Scherzer named National
Washington Nationals agree to terms with Sean Doolittle