The 20 richest football clubs in the world

In the football world, money at the top does not change hands often. The top seven football clubs in the world in terms of revenue remain unchanged. Real Madrid continues to top this list of the super-rich football clubs. Its fierce rival Barcelona comes in second. The only club that has burst through the top echelons of football clubs is the German club Schalke 04, courtesy of a fine run at the hugely lucrative Champions League. Read on for the full list compiled by the Sports Business Group of consulting firm Deloitte