I think that terminated for accounting reasons, if performed in Europe, the need to comply with the requirements of PZPN UEFA. Until Southampton trade surplus players and high profit, so they can afford the additional loss is approximately 6.5 million pounds, half of the sum of its mandatory transfer. And it is better to suffer now, than to leave for later.
There is still essential to any agreement the parties reached on wages, it is likely that Oswaldo which 29 (and if the "return" of football, you should do it right now) could refuse compensation to obtain the status of a free agent and have a better control in the choice of next club.