Sunderland are yet to spend a penny in the summer transfer window. The Black Cats wrapped up a free transfer deal for Alan Browne last week, with the midfielder leaving Preston North End after ten years. Sunderland had also snapped up Simon Moore following his release from Coventry City last month. The club could be set to earn plenty of cash if they offload Jack Clarke this summer, while Anthony Patterson is also in demand in the Premier League. Sunderland could be waiting for players to leave before they open their wallet, though they could run out of time if their targets move elsewhere. On…
