Sean Doolittle signs deal with Reds
Sean Doolittle retires after path led to All-Star, World Series honors
How Cincinnati Reds coaches helped rebuild Sean Doolittle in offseason
Nationals: Sean Doolittle, a World Series champion, retires
Cincinnati Reds add veteran left-hander Sean Doolittle to bullpen - ESPN
Sean Doolittle seals win, 06/12/2021
Sean Doolittle: Nationals pitcher has charity bat-flip idea - Sports Illustrated
Washington Nationals News: Nats drop series opener to Cincinnati Reds; Sean Doolittle is back in D.C. + more - Federal Baseball
10 Reasons We're Going To Miss Sean Doolittle
Tejay Antone returns to Cincinnati Reds, who designate Sean Doolittle for assignment
Oakland A's extension with Sean Doolittle is not that weird
Sean Doolittle returns to Nationals Park as a Cincinnati Red - The Washington Post
Doolittle announces retirement after 11 MLB seasons - Blog