Complex sentence: Ricardo Cadena Martínez (born 23 October 1969 in Guadalajara, Jalisco) is a Mexican retired professional footballer, who plays at defender during his career, he was a member of the Mexico national team competing at the 1992 Summer Olympics in Barcelona, Spain.
Split into simpler sentences: Ricardo Cadena Martínez (born October 23,1969 in Guadalajara, Jalisco) is a retired professional footballer from Mexico. Playing as a defender during his career, he was a member of the Mexico national football team competing at the 1992 Summer Olympics in Barcelona, Spain.