Bartolo Colon to retire after winter league season
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Bartolo Colon to retire on September 17; New York Mets confirm
Former Angel, Cy Young winner Bartolo Colón retires after 21 big league seasons - CBS Los Angeles
Bartolo Colon officially retires as a New York Met
NY Mets: Bartolo Colon retires with team after 21-year career
Fact Check: Is Bartolo Colon retired? Mets announce upcoming ceremony for legendary pitcher
Bartolo Colon to officially retire as a Met in September