Top 10 Players Teams Will Regret Missing Out On This Summer, Including Arsenal And Liverpool Targets

4) Mats Hummels (Borussia Dortmund)

Manchester United were desperate for a world class defender this summer, but were told in no uncertain terms that a move for Hummels would not be successful. However, based on their 3-5-2 formation and recent struggles, surely they could have done more to try and force the issue, especially when you consider the money they’ve spent elsewhere.