Rodrigo Pimpao on Thursday struck in the 51st minute after a defence-splitting pass from Rodrigo Lindoso and the hosts defended resolutely thereafter to secure their third win from five matches, reports Xinhua news agency.
Botafogo are now guaranteed a place in the knockout phase while the Medellin-based outfit can now focus on domestic honours, having taken just three points from five matches in the continental tournament.
In Thursday's other Group A match, Argentina's Estudiantes de la Plata beat group leaders Barcelona de Guayaquil of Ecuador 3-0, with Facundo Sanchez scoring a brace.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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