Playing in his 161st global, the 34-year-old notched his eighth hat-trick for his country and the 54th of his remarkable career to help Portugal through what had threatened to turn into a frustrating evening.
The Juventus star was in fine form last night for the Selecao as he scored all four goals which take his global record to 93 goals.
"I'm not only happy because of the goals I've scored, but also because of the level the national team has been at in recent years".
"This is the clear and irrevocable proof that he is the best player in the world", he said after his side's 5-1 victory.More news: Raiders Stop Broncos, 24-16
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"But it's good, I won't lie". The Lithuania goalkeeper got his hand to it, but it hit his head and bounced into the net.
Three minutes later, Ronaldo was left free in the area to sweep home Bernardo Silva's cross.
Speaking after the game, Ronaldo told reporters that he was pleased to have added five goals to his tally, but was more pleased with getting the win.
"I'm convinced that these players are capable of finishing top of this group", said Santos.
The former Manchester United and Real Madrid star scored his 21st European qualifier goal for Portugal against Serbia last weekend.