Doctors know that players get injured. The medicals are more to find out if the player has an inherent problem that could prevent them playing long term or seeing out their contracts. I reckon that sorting out contract wording and numbers and deciding if he really does want to sign is probably whats holding it up this is taken from the BBC site and is a bit more relevant in affecting a medical: Remy's future was thrown into doubt after he was diagnosed with a heart condition before moving from Nice to Marseille in August 2010. Following consultations with three cardiologists, Marseille's chief medical officer said that the player's problem would "not prevent him from doing his job".