Sunderland are being linked with an impressive League One player ahead of the summer. Ahead of the summer transfer window, a lot of talk regarding Sunderland is about players potentially leaving. And there’s a lot who could move on. Jack Clarke feels like the main one and the most inevitable player to move on, following another standout season in the second tier. Then there’s the likes of Dan Neil, Pierre Ekwah, and Dan Ballard who’ve all has Premier League suitors this season; most recently, Everton have been linked with Ballard. Trai Hume is now wanted by Aston Villa and several other clubs,…