Nobody is going to give that much guaranteed money to a injury prone player. He will not get his 18 mil signing bonus he is angling for. If there was a team willing to pay him that much he would have been signed already. Its most likely a ploy and he will probably end up in the 10-14 range of guaranteed money, id think.
With Free Agency panning out like it has so far, I wouldn't be surpised by anything.