The Egyptian scored a hattrick against United and brought his side a 5-0 victory. Apart from that, he even scored singles against Manchester City and Watford.
This was Liverpool's biggest win since the 7-0 hammering of Crystal Palace last December, which was also the last time Firmino, Salah and Mane all scored in a top-flight game.
Manchester United's 1-1 draw with Everton teed up the chance for Chelsea to climb to the summit and, after a testing and often tetchy game, Thomas Tuchel's team obliged.
Villa defender Kortney Hause was the hero for the visitors after he flicked a header into the net off a corner in the 88th minute for his team's first victory over United since 2009.
Chelsea had beaten City in their last three meetings — most recently in the Champions League final in May — but was largely outplayed at Stamford Bridge.
Brazil's squad for three World Cup qualifiers, including the Uruguay game and matches at Venezuela and Colombia, will be announced on Friday.
The club captain was sent on by manager David Moyes to take the penalty after Luke Shaw handled in the area.
The Norway international curled home the only goal in the 30th minute to further ease the pressure on Arsenal manager Mikel Arteta, whose team opened the season with three straight losses.
The Hornets' record signing proved too good for the Norwich defense with his brace putting the game beyond the hosts.
The Senegal forward got to the milestone at Anfield by converting from close range in the 43rd minute after Mohamed Salah's header from a corner was parried out by Palace goalkeeper Vicente Guaita.
Pep Guardiola’s team might even have felt relieved to claim a point after referee Jon Moss overturned decisions to award Southampton a penalty and send Kyle Walker off in the second half.
The 24-year-old Frenchman blasted home a superb equalizer to cancel out Raphinha's opener.
Salah converted a cross by Trent Alexander-Arnold in the 20th minute at Elland Road to become the 30th player to reach the milestone, with only four getting there quicker than the Egypt winger's 162 appearances.
The win relieves some of the pressure on Arsenal manager Mikel Arteta, whose team opened with three straight losses without scoring.
There was a tap-in from Ronaldo in the first half and a low strike after the break to restore the lead after Javier Manquillo equalized.
On August 27, United had signed Ronaldo on a two-year contract with an obligation to extend for a further year.
Manchester United vs Newcastle United Live Streaming Premier League: Find full details on when and where to watch Man Utd vs Newcastle Live. You can watch MUFC vs NUFC Live Online on Hotstar and TV Telecast on Star Sports Select.
FIFA is hoping the British government eases the quarantine requirements for players in time for the next set of World Cup qualifiers in October.
Brazil, Chile and Paraguay are among the national teams whose England-based players did not come for qualifiers due to the 10-day quarantine rule upon return to Britain.
Man United manager Ole Gunnar Solskjaer will have to deal with extra pressure following a transfer window that couldn't have gone much better.
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