Cristiano Ronaldo became the first player to score in six World Cup campaigns and silenced his critics after "a dark week" as the Portugal captain struck twice in a 5-0 annihilation of Uzbekistan on Tuesday.

Cristiano Ronaldo enters Portugal's second Group K match at the FIFA World Cup against Uzbekistan tonight with questions swirling around him.

Cristiano Ronaldo and Portugal will look to answer their critics when they face Uzbekistan in their second Group K match at the World Cup in Houston on Tuesday.