The winner of the fight would be the undisputed champion of the world.
The 30-year-old Aucklander takes on American wrestler Michael Chandler in a marquee bout.
Sergio Mora believes the Kiwi has a way back to the heavyweight title.
Both boxers are raring to go February 27.
The two sluggers were due to do battle this month, until Fa became ill.
Tim Tszyu is on his way to a world title fight, after a thunderous first-round stoppage.
The former NRL great has set his sights on the former middleweight champion.
The pair will square off on the undercard of the Tim Tszyu v Bowyn Morgan fight card in Sydney on Wednesday.
"He should have stayed in retirement. He won't come out of it after this."
Fans now want an all-British heavyweight title unification bout - but does Joshua?
The powerful Brit boxer was back to his best with a dominant performance in London.
Anthony Joshua defends his WBA, WBO and IBF titles against the enormous Bulgarian brute.
Anthony Joshua and Kubrat Pulev traded verbal jabs at the weigh-in for their title fight.
The power-punching Brit is still a big fan of the man he relieved of the WBO title.
The 31-year-old has bigger fish to fry beyond his fight on Sunday (NZ time).
The American great will square off with Logan Paul in February.
Plus, the lads review Mike Tyson's return to the boxing ring.
At just $2.99, you can watch Anthony Joshua defend his heavyweight boxing titles.
Mike Tyson's love of cannabis is no secret and he couldn't resist before facing Roy Jones Jr.
Jake Paul called out Conor McGregor after his win on the undercard of Mike Tyson v Roy Jones Jr.