Morocco, playing in its first World Cup in 20 years, linked play neatly through midfield but relied on set pieces for its clearest chances - a growing theme at this year's tournament.
Saudi Arabia, who have not won a World Cup game since their debut in 1994, have zero points, just like Egypt, who lost 3-1 to Russian Federation on Tuesday.
Portugal will play their last group game against Iran while Morocco face Spain, both on June 25.
Ronaldo equalled Puskas' record of 84 - scored in just 89 matches - with a thrilling hat-trick in Friday's absorbing 3-3 draw with pool rivals Spain.
Ronaldo's 85th global goal made him Europe's all-time leading worldwide goalscorer as he broke Hungary legend Ferens Puskas's 62-year-old record.
Mohamed Salah's fitness not exclusively at fault for Egypt's woes - Hector Cuper
Now he's the breakout star, tied with Cristiano Ronaldo as the World Cup's top scorer . But I think that he would have given us all his quality and his ability.
Tesla CEO Elon Musk Warns of 'Extensive' Sabotage by Rogue Employee
A Tesla spokeswoman confirmed the authenticity of the Monday email, which CNBC reported first. Production has resumed and there were no injuries or significant equipment damage, she added.
Several Injured in 'Explosion' at Southgate Tube Station
An earlier statement from the force said: "Met officers are dealing with a suspicious package at #Southgate tube station. London Mayor Sadiq Khan warned people to "avoid the area". "I was at Southgate Station when this commotion started".
Coach Herve Renard was also ticked off for the new offence of gesticulating to demand a video assistant referee (VAR) review of the incident, which left Amrabat with rugby-style stud-rake marks on his stomach that he insisted on displaying to anyone who would look.
Mehdi Benatia forced a smart low save from Rui Patricio at a corner for Morocco, before Hakim Ziyach skipped his way into the Portugal area, his goal-bound effort blocked by an outstretched leg.
Spain squeezed past dogged Iran in their World Cup Group B encounter thanks to a fortuitous goal from Diego Costa, but the Europeans suffered a string of second-half scares.
Just as we witnessed in several games throughout Euro2016, Portugal were the worse side on the day but walked away with all three points.
For Portugal, a win today puts them in a good shape for qualification to the next round whilst Morocco must win today in order not to suffer the same fate as Egypt who virtually got kicked out yesterday.