The term 'ghost goal' made its foray into football lexicon by then-Chelsea manager Jose Mourinho and has lingered in sports vocabulary
Ghost goals and the controversies that surround them make up a big part of football - with some goals having the ability to determine the entire outcome of a competition despite some officials conceding that they may not have crossed the line.
So what exactly is a ghost goal? Goal takes a look.
What is a ghost goal?
The term 'ghost goal' entered the common football vernacular after Liverpool's semi-final win against Chelsea during the 2004-05 Champions League.