Sean Doolittle, Baseball's Left-Wing Lefty, Retires
Votto inches from HR record, Báez helps Mets rally past Reds - The San Diego Union-Tribune
All-Star reliever Sean Doolittle retires after 11 seasons
Sean Doolittle retires
MORE
Washington Nationals relief pitcher Sean Doolittle : Bullseye with Jesse Thorn : NPR
How Nationals closer Sean Doolittle became a dominant one-pitch reliever - The Washington Post
Jose Castillo on comeback trail again for Padres - The San Diego Union-Tribune
Sean Doolittle retires
Washington_Nationals
FredNats notebook: In rehab stint, Doolittle pitches in to mentor young FredNats pitchers
The Nationals need a left-handed reliever. One could be on the way. - The Washington Post
Sean Doolittle Returning To Washington Nationals
Sean Doolittle, Baseball's Left-Wing Lefty, Retires
Nationals pitcher Sean Doolittle announces retirement
A's Q&A: Sean Doolittle among baseball's best at doing for others
Sean Doolittle Announces Retirement - MLB Trade Rumors