Sean Doolittle, Aníbal Sánchez deal with Nationals
Sean Doolittle retirement: World Series champion, All-Star relief pitcher Sean Doolittle announces retirement after 11 seasons
Doolittle announces retirement after 11 MLB seasons - Blog
Former Nationals reliever Sean Doolittle retires after '11 incredible seasons
CC Sabathia shows off dramatic weight loss after retirement from baseball
Nationals World Series champion, two-time All-Star announces retirement
Sean Doolittle - Wikipedia
Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors - NBC Sports
MLB Player With Newtown Ties Retires After 11 Seasons
The Nationals just had their soul sucked out
After 11 seasons in the MLB, NATS pitcher, Sean Doolittle announces retirement and his next steps
Nationals pitcher Sean Doolittle announces his retirement after more than a decade in the majors
Nationals reflect on Sean Doolittle, retirement