The world’s top agents have joined forces to fight Fifa’s proposals to restrict their unlimited commission to 3 per cent of a transfer fee and to ban dual representation, which allows them to represent the player and club in the same transfer deal.

The super-agents Jorge Mendes, Mino Raiola and Jonathan Barnett, whose companies generated a combined commission of £185.5 million last year, according to Forbes, the business magazine, met three other agents last week to discuss a legal challenge to Fifa. The world governing body’s plans are supported by the Premier League, although a number of top clubs are wary of alienating agents on whom they rely in many of their deals.

Mendes, right, is the agent of Cristiano Ronaldo and oversaw the Portuguese’s transfer to Juventus this summer JUVENTUS FC/GETTY IMAGES

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