Adrian could leave West Ham United and the Premier League for a return to La Liga with former club Real Betis.
Antonio Adan has shone in La Liga with Real Betis while new West Ham 'keeper Joe Hart continues to flail.
Adan's contract is said to contain a £7.4 million buy-out clause, but it would appear that neither West Ham United or Crystal Palace could be tempted.
Everton and Liverpool have been credited with an interest in Antonio Adan.
Liverpool have been linked with Antonio Adan.
Sunderland, Southampton and Liverpool could reportedly consider Antonio Adan this summer.
Real Betis want Carles Gil and Villa need a new keeper.
Sunderland and Everton have reportedly been eyeing up a move for Real Betis goalkeeper Antonio Adan.