The incidents that have grabbed the headlines over the years.
As in any workplace the football field (or training ground or dug-out) is a hot bed of tempers and anger and occasionally things will boil over.
Here are the 10 biggest bust-ups from the sport.
10. Bruce Grobbelaar v Steve McManaman
After Everton scored in the Merseyside derby the famously animated goalkeeper confronted team-mate McManaman and grabbed the midfielder by the jaw, believing the Englishman’s poor clearance to be the reason the Toffees had found the net.
McManaman wisely walked away after a quick shove, as everyone knows that ‘keeper’s are crazy.