By Frank Dalleres Fifa has accepted it will have to change its global transfer rules following the landmark Diarra ruling – but insists it does not mean that players are now free to tear up existing contracts. The European Court of Justice ruled this month that Fifa’s existing regulations do not comply with freedom of movement and competition law in cases of breach of contract. It was heralded as a potential catalyst for greater player power, similar to the 1995 Bosman ruling which handed footballers free agency upon expiry of their contracts. “Fifa will now initiate a global dialogue with key…