Sean Doolittle, Baseball's Left-Wing Lefty, Retires
Ex-Nats reliever Sean Doolittle exits after '11 incredible seasons
Sean Doolittle retires after 11 MLB seasons with a 'full heart
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White Sox place right-hander Michael Kopech on IL after cyst
Reds Sign Sean Doolittle - MLB Trade Rumors
Nationals pitcher Sean Doolittle announces his retirement after
Sean Doolittle Announces Retirement - MLB Trade Rumors
Whether on the mound or for refugees in need, relief is a calling
Former Oakland A's, Washington Nationals reliever announces retirement
All-Star reliever Sean Doolittle retires after 11 seasons
Nats still hoping quality lefty emerges for bullpen - Blog
Sean Doolittle, part of Nats' World Series team, retires - The
Bobby Blanco - Blog
