Complex sentence: Calderón only had a brief interlude with the Argentina national football team he played in the Copa América 1997, but a fight with the then coach Daniel Passarella diminished his chances of ever playing for the national team again.
Split into simpler sentences: Calderón only had a brief interlude with the Argentina national football team. He played in the 1997 Copa América, but a fight with the then coach Daniel Passarella diminished his chances of ever playing for the national team again.