Complex sentence: Rojas also played for Costa Rica's national team during the 70's and 80's, and was Costa Rica's captain during the Olympic Games held in Los Angeles in 1984, in which the Ticos beat the then World Cup Champions Italy 1-0.
Split into simpler sentences: Rojas also played for the Costa Rican national team during the 70's and 80's. He was Costa Rica's captain during the Olympic Games held in Los Angeles in 1984, in which the Ticos beat the then World Cup Champions Italy 1-0.