Conor McGregor has opened the floodgates for UFC fighters to challenge the top boxers in crossover fights.
'The Notorious' is currently in negotiations for a boxing megafight against pound-for-pound great Floyd Mayweather Jr., and a couple of other UFC hopefuls have stated their desire to fight the top boxers in their weight class.
No. 3 ranked light heavyweight Jimi Manuwa has called for a showdown with British boxer David Haye, and heavyweight champion Stipe Miocic thinks he has what it takes to give current heavyweight boxing champion Anthony Joshua a run for his money.