'Let's go, Floyd' - Nurmagomedov calls out Mayweather

[Nickie]

UFC fighter Khabib Nurmagomedov wants to go one better than Conor McGregor after calling out boxer Floyd Mayweather, saying "In the jungle there is only one king".

More... (http://www.bbc.co.uk/sport/mixed-martial-arts/45855470)