Nationals: Sean Doolittle, a World Series champion, retires
Nationals: Sean Doolittle, a World Series champion, retires
Sean Doolittle made two All-Star teams and recorded 112 saves over
Former Nationals reliever Sean Doolittle retires after '11
2019 World Series - Wikipedia
MLB Player With Newtown Ties Retires After 11 Seasons
Two-time All-Star closer and World Series winner Sean Doolittle
Sean Doolittle retires after path led to All-Star, World Series honors
Sean Doolittle - MLB News, Rumors, & Updates
Sean Doolittle Announces Retirement : r/Nationals
Nationals: Sean Doolittle, a World Series champion, retires
Nationals' Sean Doolittle Declines Trump White House Visit