Sunderland: League One club's fans pressured owner Stewart Donald into proposed sale Sunderland confirm that owner Stewart Donald has responded to pressure from fan groups by putting the club up for sale. Share this:Click to email a link to a friend (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window) Related Author: AsiaSportsBusiness Website: Tanner Simkins @TannerSimkins View all posts by AsiaSportsBusiness