Nationals pitcher Sean Doolittle announces retirement
Sean Doolittle - Wikipedia
Sean Doolittle retires after 11 MLB seasons with a 'full heart
Sean Doolittle announces his retirement from the Nats after 11
MORE
Nationals pitcher Sean Doolittle announces his retirement after
Former A's reliever Sean Doolittle returns to Coliseum: 'I grew up
All-Star reliever Sean Doolittle retires after 11 seasons - Field
Washington Nationals re-sign Sean Doolittle to minor league deal
Nationals pitcher and LGBTQ ally Sean Doolittle retires from MLB
Washington Nationals News: Former closer Sean Doolittle signs in
Sean Doolittle Announces Retirement - MLB Trade Rumors
Washington Nationals pitcher Sean Doolittle announces retirement