His agent, Jose Maria Gonzalez said: 'We are already having negotiations with Sunderland and Wigan. His priority is England and Spain.'
Battle of the north: Steve Bruce and Roberto Martinez are keen to land Riveros
The Paraguay international's contract with the Mexican club is set to expire this year.
Portsmouth 1 Sunderland 1: Angry Avram makes an enemy of Kevin FriendWigan 1 Stoke 1: Tuncay's header ruins Latics' chances of a precious winSUNDERLAND FC