Manchester City fans have unveiled a huge banner taking a swipe at UEFA as the club prepares to appeal its Champions League ban.The Blues were hit with a two year ban from all European competition in a bombshell announcement by the continent's football governing body in February for alleged breaches of financial fair play (FFP) rules.The club strenuously deny any wrongdoing and say they are confident the ban will be overturned when the case is heard in front of the independent Court of