Stoke manager Tony Pulis has been looking to strengthen at the back and signed Robert Huth from Middlesbrough on Thursday.
Collins has made over 160 appearances for the Black Cats since joining the club from Chester City.
Stoke manager Tony Pulis has been looking to strengthen at the back and signed Robert Huth from Middlesbrough on Thursday.
Collins has made over 160 appearances for the Black Cats since joining the club from Chester City.
