Ronaldo flew for 15 hours to play in the Chilean striker's game at Santiago's National Stadium.
Zamorano shares the record for the most international goals for Chile with Marcelo Salas, both having scored 34.
The former Chile captain hit and insulted the referee in the country's league final between Cobreloa and his club Colo Colo.
Chile's euphoria at reaching the final of the Copa America was tempered by the reminder that every time they have been in this position before they have finished as runners-up.
Argentina got their World Cup qualifying campaign off to the perfect start on Thursday when Lionel Messi's early penalty gave them a 1-0 win over Ecuador in a lacklustre match in Buenos Aires.
The policy of buying players cheap and selling them for a higher price a few years on is a business model that worked well for clubs like Atletico Madrid and FC Porto. With the transfer window open for the next few weeks, Rediff.com takes a look at clubs that made smart deals over the years.