His agents are demanding Lazio drop their asking price for the Argentine.
Luis Ruzzi told TMW: "I have gone round Europe and there are no clubs interested in the figures President Claudio Lotito is bandying about. So the war starts now.
"There will be no loan, because we have no intention of returning to Lazio at the end of it. It's difficult to negotiate with Lotito, as he still hasn't understood that he depreciated a jewel.
"Our position is clear: either we go to the end of the contract and then evaluate a future move, or the President lowers his expectations so we can consider offers from teams that are on a par with or superior to Lazio.
"We are giving Lotito five days to lower Mauro's price-tag, otherwise we'll go into the final six months of the contract and that'll be his problem.
"We will not let this situation drag on until January 31. In any case, one thing is clear, that wherever he goes Mauro will still be loved and appreciated by Lazio fans."