It seems that every summer there is a messy and painful transfer saga that drags on throughout the course of the window. It usually involves Manchester United. Two summers of wrangling with Borussia

If United make a move for Gyokeres this summer they're almost certainly going to break their £60m transfer rule. After finishing 15th in the Premier League with a -10 goal difference and no European football to look forward to next season, this is no normal summer and rules may need to be broken.