Former A's reliever Sean Doolittle returns to Coliseum: 'I grew up
Reliever Sean Doolittle announces MLB retirement after 11 seasons
Nationals pitcher Sean Doolittle announces his retirement after
Federal Baseball, a Washington Nationals community
All-Star Pitcher Sean Doolittle : Bullseye with Jesse Thorn : NPR
Sean Doolittle, part of Nats' World Series team, retires - The
Sean Doolittle retires after path led to All-Star, World Series honors
Nationals pitcher Sean Doolittle announces his retirement after
Nationals pitcher Sean Doolittle announces his retirement after
Sean Doolittle, part of Nats' World Series team, retires - The
Sean Doolittle retires
World Series champion pitcher retires from MLB after 11 seasons