At the beginning of December, Manchester United played Paris Saint Germain in a Champions League game at Old Trafford. With the game tied at 1-1, Manchester United’s Edinson Cavani received a ball that sent him through on goal. Cavani arrived at Manchester United on the final day of the transfer window after seven years at PSG, where he scored more than 200 goals for the club. An elegant and potent striker, Cavani is among the elite of European football. He has never reached the level of Messi, Ronaldo or even his PSG team-mate Neymar, but at the age of 33…