World Series champion pitcher retires from MLB after 11 seasons
A perfect Sean Doolittle has middle innings set for Washington
Reliever Sean Doolittle announces MLB retirement after 11 seasons
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After 11 seasons in the MLB, NATS pitcher, Sean Doolittle
All-Star reliever Sean Doolittle retires after 11 seasons - Field
Doolittle announces retirement after 11 MLB seasons - Blog
Sean Doolittle retires, his gratitude far outweighing any regret
Doolittle announces retirement after 11 MLB seasons - Blog
Sean Doolittle] Announces retirement from baseball : r/baseball