Stoke aggravated his back in Ryan Shawcross 's win over QPR in January . Ryan Shawcross centre back has been out of action for six weeks since the injury . The Potters travel to West Brom in the Premier League on Saturday .
Ryan Shawcross aggravated his back in Stoke 's win over QPR in January . Stoke centre back has been out of action for six weeks since the injury . The Potters travel to West Brom in the Premier League on Saturday .