3. Manchester United
Average Attendance: 75,205
Facebook Fans: 52,860,095
Twitter Followers: 2.79m
Still widely supported all over the world despite a tough, trophy-less season. United were surprisingly late to join Twitter considering they were the first club to truly exploit the new television deals in the 1990s. However, they have gained a considerable amount of followers to match the high numbers they reach elsewhere and rank as the most supported British football club.