The announcement, a groundbreaking deal for Middle Eastern soccer, ends speculation about where he would go next. Ronaldo became a free agent after his contract was terminated by Manchester United.

Gonçalo Ramos scored three goals - the first hat trick of this World Cup - to power Portugal past Switzerland 6-1. Ramos was playing in place of star Cristiano Ronaldo who did not start the match.

The soccer star will isolate himself from teammates. Another round of testing reveals he was the only player on the team to test positive.