Eduardo Ray Márquez López (born February 5, 1976) is a Nicaraguan former professional boxer who competed from 1996 to 2010.
He held the WBO minimumweight title in 2003.
Marquez turned professional in 1996 & amassed a record of 17-5-1 (1 NC) before beating WBO minimumweight champion Jorge Mata & winning the world title.
His reign would last less than six weeks before losing the title to Puerto Rican contender Iván Calderón.
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