Pep Guardiola has said it would be a 'big mistake' if Arsenal were to sack his former assistant Mikel Arteta as manager.
The Manchester City boss made the comments after his side knocked Arteta's men out of the Carabao Cup quarter-finals with a convincing 4-1 victory at the Emirates.
Arsenal have endured their worst start to a league season in 46 years, but Guardiola thinks they would be wrong to sack Arteta at this point.
'They will do a huge, big mistake if they [sack Arteta],' he told BBC Radio 5 Live.