Ruiz Jr stopped Joshua last June to claim the IBF, IBO, WBA and WBO belts, but he admitted to overeating and partying in the aftermath of his win, and Robles said the split was inevitable.

Khan, now 33, has not fought since beating Billy Dib in Saudi Arabia last summer and is now chasing his next pay-day against a far more difficult opponent in Filipino Pacquiao.

The 42-year-old fought for the last time in a professional bout in 2017 as he beat Conor McGregor but made £7m when he overcame Tenshin Nasakuwa in one round in 2018.

UFC star Conor McGregor is in talks to fight Manny Pacquiao as the Irishman targets a return to the boxing ring. McGregor is preparing to fight Donald Cerrone at UFC 246 on Saturday.

Conor McGregor is 'serious' about returning to boxing and talks have taken place with representatives of both Floyd Mayweather and Manny Pacquiao. 

Conor McGregor may well be set for a sensational return to the boxing ring to face another great of the sport, after Filipino icon Manny Pacquiao put pen to paper on a deal with his management.