Guardiola has used 13 different back fours this season and has named six separate back threes

Pep Guardiola admits that some of his Manchester City players are still not comfortable working under him as he called on Sergio Agüero to improve his scoring record in big games.

The City head coach also suggested that his side’s defensive frailties may be down to his methods, and admitted that his constant rotating of the defence is not helping Claudio Bravo, his under-fire goalkeeper.

Saturday’s Premier League match previews

Agüero has scored 18 times this season, but not against a top-six rival. “We have to try to help him to score against the top teams,” Guardiola said.

The Catalan is going through the most testing period of his time at City. Last Sunday Everton hammered his team 4-0 and they will drop to sixth today if they lose at