Football just wouldn't be the same without a bit of controversy, drama and a good old bitchy comment amongst the air-headed professionals that play the game we all love, would it? Emotions run high at the top end of the professional game and these passions have alluded to even the world's best reach breaking point, often making for hysterical viewing for fans. Who can forget Zidane's punishing head-butt delivery to the chest of Marco Materazzi following a throwaway comment about the Frenchman's sister? Or Arsene Wenger grappling with Chelsea boss Jose Mourinho on the Stamford Bridge sidelines after a typical needless, patronising comment from the Portuguese? These moments heighten the drama of the beautiful game and without them, football would become stale. So thank the football Gods for blessing the current crop of professional footballers with skills, as they've treated fans to many a hilarious insult from those lucky enough to play the beautiful game on the grandest stage. This week, all-time Liverpool great Jamie Carragher was branded a "knob" by a previously unknown football agent who has now hit the national headlines, proving the notion that a thoughtless, petty comment toward a (ex)-pro can see even the most insignificant of people grab a share of the football-guided limelight. Here we count down the 12 most famous insults from around the globe, featuring some absolute corkers from arguably the greatest ever in Diego Maradona...