Superstar footballer, Cristiano Ronaldo now has the fastest-selling shirt in Premier League history.   Lionel Messi finally left Barcelona after 21 years at the club to join Paris Saint-Germain, while Cristiano Ronaldo has made a sensational return to Manchester United after ending his first spell at Old Trafford in 2009. According to Love the Sales, Ronaldo’s iconic No 7 shirt has brought in £187.1m since his number was confirmed on September 2, while Messi, despite sealing his switch three weeks …