Every season there are great teams in world football. It's just a fact of life in the modern game; someone is always doing something big, with a superb level of talent.
But, every once in a while, a team comes along who is truly special. Their play is something to behold, their accomplishments and trophies become the stuff of legends, their names will undoubtedly be etched in the annals of history.
These are the teams we're interested in. The sides that are still spoken of in reverent tones, those whose talent has placed them on hallowed ground as one of the 50 greatest club teams in world football history.
We're focusing solely on club teams and on specific years whenever possible, breaking down the greatest teams the football world has ever seen.
So, lace up your cleats, grab your Lisbon Lions scarf and Man U treble memorial kit and let's get started, shall we?