Eder Líder Mármol Cuenca (born 2 September 1985 in Juan León Mallorquín, Alto Paraná) is a Paraguayan retired professional footballer.
After arriving in Spain during the December European transfer window, together with his Paraguayan compatriot Julio Irrazábal, both signed with a contract of six months with an option to extend to three years.
Mármol became a fixture in the center of the defense starting eleven matches and scoring one goal for the Spanish side.
Following Marmol's stint in Spain's Segunda Liga, he trialled with English teams as Coventry City and Reading,[6] however, before signing, his agent ask for a higher amount of money than was stipulated.
[10] On 28 June 2008, Marmol appeared on the bench for Chicago Fire in a 0–0 home draw against San Jose Earthquakes.
[12] On 1 July 2008, Marmol debuted for Chicago Fire in a Lamar Hunt Open Cup third-round victory against Cleveland City Stars and was praised by the coach.
[25] From the money he received from his transfer from Guaraní to Spain's Hercules, he bought his mother a house, which was a dream of his whole life.
[31] The same day, his sister – who was in debt and had 5 children to maintain[32] – appeared and confessed that she was involved in a self-kidnapping, she was arrested and charger with simulation of a punishable act.