A's Q&A: Sean Doolittle among baseball's best at doing for others
Nationals pitcher Sean Doolittle announces retirement
D.C.'s favorite bearded, bespectacled baseball player to pitch with Nationals again : NPR
The Red Report 2021 - Sean Doolittle - Red Reporter
Sean Doolittle Speaking Fee and Booking Agent Contact
It's (Already) Time to Call the Game - JPHMP Direct
Felix Hernandez opts out of MLB season, Sean Doolittle on fence – The Denver Post
2019 Year in Review: Washington Nationals Dream Foundation & Youth Baseball Academy, by Nationals Communications
As MLB celebrates Jackie Robinson, dearth of black pitchers concern many
2019 Year in Review: Washington Nationals Dream Foundation & Youth Baseball Academy, by Nationals Communications
A's Q&A: Sean Doolittle among baseball's best at doing for others