Legendary Dutch midfielder Edgar Davids had the opportunity to join Manchester United in the 1990s, but he rejected an approach from Sir Alex Ferguson.
Manchester City owe a lot to Gareth Barry, but had to make a brutal decision about his future when he left on loan for Everton in 2013
Ruben Amorim will be looking forward to the January transfer window as the Portuguese manager has several players on his wish-list
Man Utd signed Peter Beardsley in 1982 but allowed the future England international to leave after one game.