Jose Mourinho has challenged the FA to ban Man City midfielder Yaya Toure or risk sending out the wrong message.
"If he is not suspended the message is clear - you can do what you want," said Mourinho.
"If the FA defends football he has to be suspended."
Manchester City's failure to beat Norwich could be compounded if the Football Association opts to take action against star midfielder Yaya Toure next week.
The Ivorian appeared to kick out at Canaries forward Ricky van Wolfswinkel in the final minutes of Saturday's goalless draw at Carrow Road.
Chelsea took advantage of City's slip, and Arsenal's 5-1 hammering at Liverpool, to go top of the Barclays Premier League.
The Blues are back in action against Sunderland on Wednesday, but before then the FA may decide to take retrospective action against Toure if the incident was missed by the match officials, which appeared to be the case.