The ‘Knockout chaos’ fight night headlined by Anthony Joshua and Francis Ngannou’s blockbuster clash has been ridiculed online for the lack of atmosphere inside the arena. Saudi Arabia has become the new home of boxing’s biggest fights in recent years with huge purses up for grabs. Tyson Fury reportedly banked at least £50million for his fight against Ngannou in October last year. Joshua is said to be earning around £30m for going up against the MMA icon with more blockbuster fights to come including Fury and Oleksandr Usyk’s heavyweight unification bout. The Kingdom Arena in Riyadh has attrac…