Nationals to sign two-time All-Star Sean Doolittle
Throwing Four-Seamers with the Force: Talking Star Wars with Sean Doolittle of the Oakland A's
We Asked Sean Doolittle for His Favorite Things to Do in DC - Washingtonian
Washington Nationals need Sean Doolittle to be Sean Doolittle again; and he's almost there - Federal Baseball
All-Star Pitcher Sean Doolittle : Bullseye with Jesse Thorn : NPR
Washington Nationals' Sean Doolittle set for elbow surgery; season over - ESPN
Topps Now 2018 Sean Doolittle All Star Game Washington Nationals AS-31
Washington Nationals news & notes: Sean Doolittle announces retirement; talks 2019 World Series run + career highlights - Federal Baseball
Sean Doolittle retires after path led to All-Star, World Series honors