4. Angel Di Maria, Man United to Paris Saint-Germain
Paid €63m, valued at €47.7m – overpaid by €15.3m
Man United were eager to get rid of their expensive flop, and recouped a very large chuck of their losses in selling Di Maria to PSG. But the French giants may have gotten the last laugh as Di Maria has shined in his first few games in Ligue 1.