Al Hilal, who lost Neymar Junior to injury in October, beat bottom-placed Al Hazm 4-1 to go an unbeatable 12 points clear of Ronaldo's Al Nassr with three matches remaining.
Jorge Jesus' side, top of the Saudi league and still alive in the King's Cup and Asian Champions league, are bidding for a quadruple of trophies this season.
Portugal's record scorer was shown a straight red card four minutes from time for elbowing an opponent when his side were 2-0 down before they scored a late consolation.
A 2-0 victory at fellow Saudi side Al Ittihad saw them surpass the previous record of 27 straight wins by a top-flight team, set by Welsh team The New Saints in 2016.
The former Paris Saint-Germain forward, signed in August for a reported 90 million euros ($94 million), grabbed the second in the record Asian champions' win at the Azadi Stadium
Neymar, signed last month from Paris Saint-Germain for a reported €90 million, was making his first start for the record Asian champions having debuted on Friday as a substitute in the Saudi Pro League victory at home to Al Riyadh.
Aleksandar Mitrovic joined the Premier League exodus to Saudi Arabia by leaving Fulham for a club record fee to join Al Hilal on Saturday.
Flame-throwers and a volley of fireworks lit up the Riyadh sky as the flamboyant forward appeared in Al-Hilal's blue kit at Riyadh's 68,000-capacity King Fahd International Stadium
A rock star welcome will await him at the King Fahd International Stadium in Riyadh where he will be unveiled before thousands of fans on Saturday.
Al Hilal, who lost Neymar Junior to injury in October, beat bottom-placed Al Hazm 4-1 to go an unbeatable 12 points clear of Ronaldo's Al Nassr with three matches remaining.
Jorge Jesus' side, top of the Saudi league and still alive in the King's Cup and Asian Champions league, are bidding for a quadruple of trophies this season.
Portugal's record scorer was shown a straight red card four minutes from time for elbowing an opponent when his side were 2-0 down before they scored a late consolation.
A 2-0 victory at fellow Saudi side Al Ittihad saw them surpass the previous record of 27 straight wins by a top-flight team, set by Welsh team The New Saints in 2016.
The former Paris Saint-Germain forward, signed in August for a reported 90 million euros ($94 million), grabbed the second in the record Asian champions' win at the Azadi Stadium
Neymar, signed last month from Paris Saint-Germain for a reported €90 million, was making his first start for the record Asian champions having debuted on Friday as a substitute in the Saudi Pro League victory at home to Al Riyadh.
Aleksandar Mitrovic joined the Premier League exodus to Saudi Arabia by leaving Fulham for a club record fee to join Al Hilal on Saturday.
Flame-throwers and a volley of fireworks lit up the Riyadh sky as the flamboyant forward appeared in Al-Hilal's blue kit at Riyadh's 68,000-capacity King Fahd International Stadium
A rock star welcome will await him at the King Fahd International Stadium in Riyadh where he will be unveiled before thousands of fans on Saturday.
The 31-year-old Neymar signed a two-year contract with the Riyadh-based club on Tuesday after spending six years with Paris St Germain, in a deal reportedly worth about 90 million euros ($98 million)