 As a player, de los Cobos spent the majority of his playing career in his native Mexico, playing for both Querétaro FC and CF Monterrey on numerous occasions.He represented his country at the 1986 Football World Cup held in Mexico, where he was an integral part of the team's quarter-final run.He share team with Héctor Miguel Zelada, "El Vasco" Aguirre, Alfredo Tena, Cristóbal Ortega.