Football creates a great deal of stress for everyone involved. The pressure to succeed and the anger that competing at the top level can cause lead to some violent incidents such as head-butts, tackles and fights.
Thus, here are some incidents where those involved in the most popular sport in the world lost their tempers.
This list is not intended to catalogue every angry incident, nor is it a ranking of all the angry moments. It is merely a list of incidents that I've come across. Please feel free to provide any you know of in the comments section below.