Cristiano Ronaldo nets fourth goal of FIFA World Cup 2018 to help Portugal pip Morocco on a day of '1-0' results

Portugal, Uruguay and Spain collected 1-0 victories over Morocco, Saudi Arabia and Iran respectively on Day 7 of the ongoing World Cup.

Cristiano Ronaldo celebrates after scoring against Morocco, collecting his fourth goal of the ongoing tournament. AP

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Cristiano Ronaldo heads the ball into the net to get Portugal 1-0 up against Morocco. AP

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Uruguay's Edinson Cavani and Saudi Arabia's Osama Hawsawi fight for the ball. AP

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Uruguay star Luis Suarez celebrates after scoring against Saudi Arabia in the 23rd minute of the game. AP

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Spain's Diego Costa celebrates with teammate Isco after breaking the deadlock in the second half of their fixture against Iran. AP

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Iran's Sardar Azmoun is consoled at the end of their match against Spain, which they lost narrowly by a margin of 1-0. AP