Stoke City have completed a double signing ahead of Saturday's game at Preston, reports BBC Radio Stoke.
Dominic Matteo has failed to figure in the Premiership
Andy Griffin has joined on loan until the end of June with a view to making his move from Portsmouth permanent one
And Blackburn Rovers' Dominic Matteo, who has not played in the Premiership this term, has joined until the end of the season on a free transfer.
Crowd favourite Griffin returns after enjoying a successful three-month loan spell with the Potters.