Andy Ruiz Jr might have produced one of the biggest upsets in heavyweight history on Saturday, but his pay cheque was distinctly lightweight, compared to Anthony Joshua’s. The Mexican stunned Britain’s WBA, IBF and WBO champion to shake up heavyweight boxing’s established order in dramatic style. Ruiz is understood to have made only around £5m from the fight at New York’s iconic Madison Square Garden, The SUN has reported. Compare that to the whopping £20m Joshua is thought to have made and you see just how wide the gulf in class between these two boxers was supposed to be. Despite