Any prolonged lay-off however would be a major blow for Liverpool as they look to keep up their flying start to the season and repeat their European heroics. Our live coverage lets you follow all the key moments as they happen.
It resulted in the first goalless draw between these two at Anfield since 1986 - and also City's first clean sheet at the ground since then - but Reds boss Jurgen Klopp will be celebrating Monday's third anniversary at the club as the happier manager. Find out by following our live matchcast. Even when we won 3-0 at home, 4-3, 2-1 at City, over the full match it was never like this.
"If you want to see fresher (players), give them a summer break", he said.
The game did not live up to expectations but, after suffering two chastening defeats at the same venue last season, Guardiola opted to play at a slower tempo this time in order to nullify Liverpool.
The draw preserved both sides' unbeaten Premier League records, but they failed to lay down an early marker in the title race as Chelsea moved into a three-way tie at the top on 20 points after eight games.
City's first penalty claim was waved away when Dejan Lovren appeared to trip Aguero inside the area, but the visitors quickly neutralised Liverpool's threat by keeping possession for long periods.
Jadon Sancho profile on England, Borussia Dortmund forward
Sancho, 18, has assisted in five league goals for Dortmund this season as he has helped them top the Bundesliga after six games. He recently signed a new contract with the German club . "He's been courageous enough to go overseas and play", added Southgate.
"For both teams it was really intense, and both showed respect for the other team".
"It was not an easy month playing against Champions League teams - it is tough week in, week out, and playing with a little injury is not easy". Roberto Firmino has been helping me, as well as Alisson. But when a team plays against Liverpool, especially away from home, they simply can not go into the game without some kind of plan to stop the likes of Salah, Roberto Firmino and Sadio Mane from wreaking havoc.
Yet the Dutchman is adamant the real test is only just starting.
"Mahrez hasn't hit the ground running at Manchester City - he's not been awesome since joining and he's fighting with some really good players to get into the team".
Telegraph Sport correspondents assess how each of those five sides have performed so far, and ask which teams are best placed to mount a genuine title challenge and whose seasons will falter.