I just can't do it': Nationals pitcher Sean Doolittle declines White House invite, Washington Nationals
Pitcher Sean Doolittle of the Washington Nationals
Sean Doolittle Retires After 11 MLB Seasons; Won 2019 World Series with Nationals, News, Scores, Highlights, Stats, and Rumors
Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors – NBC4 Washington
Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors
Sean Doolittle, part of Nats' World Series team, retires - The Washington Post
Sean Doolittle - Wikipedia
Book Pitcher Sean Doolittle Retires from Day Job
Washington Doolittle Retires Baseball, Sports