Keita's uncertain fitness situation means Jordan Henderson should return to the starting lineup, playing in a deeper role while freeing Georginio Wijnaldum to play as a box-to-box midfielder alongside James Milner.
Unusual as it might seem in light of their best ever start to a season, but Liverpool have only played well for a full 90 minutes once so far, namely in the away win over Spurs. Ilkay Gundogan faces a race against time to shake off a hamstring injury to play, whilst Fabian Delph remains out. "I'd like that game again, in all honestly, because I think it would have been a different outcome".
However, there were no such scenes this time around as Liverpool fans traditionally only line the streets in their thousands for big European matches.
On Sunday, Allan Rodrigues de Souza was involved for the first half of Eintracht Frankfurt's 2-1 victory at Hoffenheim in the Bundesliga. If we do not entertain the people, why do we play it? Mo has to work hard but that's what he's doing.
Guardiola will be wary of being outnumbered down the flanks in that system, however, especially with Liverpool's full-backs in such fine form, and therefore the four-man defence feels more logical. Liverpool is one of the true greatest teams in England.
The Liverpool boss was reluctant to detail any tactical approaches ahead of the top of the table clash on Sunday, but cited qualities that extend beyond the football field as potential game winners. "By the end of my career it was just another game".
'I thought we were sensational.
"I have a lot of respect for the way they play, how proactive are his teams are".
Both Liverpool and Manchester City are unbeaten heading into the match at Anfield.
With Sergio Aguero replaced on the hour mark, Mahrez, a £60-million ($78.7 million) signing from Leicester in July, took responsibility but fired high over the bar to Liverpool's relief as City's wait for a first win at Anfield since 2003 continued.
"And Liverpool have to maybe as well beat them for the rest of the league to give belief out there that they can be beaten".
The Reds' last defeat at home to a top-six club came against Manchester United in January 2016.
Mo Salah has scored in 14 of his last 16 starts at Anfield.
"Last year we won the last three games against City, twice in the Champions League and one in the league".