Every footballer has had a nightmare at some stage in his career. Usually it involves little more than a missed chance or miscued back-pass.

But what about those truly awful or embarrassing moments that are neither forgotten nor forgiven?

Here we highlight some real horrors that occurred both on and off the pitch. Our top 10 range from John Barnes dancing back into the spotlight to Zinedine Zidane's moment of sheer madness in a World Cup final.

Or how about Robbie Fowler's 'cocaine-sniffing' goal celebration that landed him in hot water back in 1996?

By Richard Groom