Manchester City have given Pep Guardiola a deadline of up to Christmas this year to decide on whether he wants to remain as head coach or not. The Catalan coach has been in charge of City since 2016 and has led them to unprecedented success during his reign, now stretching into its eighth year. However, it remains to be seen whether Guardiola will remain at the Etihad past the current campaign with his contract set to expire at the end of the season. City have told the 53-year-old they want a decision on his future by Christmas at the latest and are growing uneasy at the lack of clarity on the…