Evander Holyfield is set to fight Francois Botha for the lightly-regarded World Boxing Federation heavyweight title in Uganda on 16 January.
Organisers at Kampala's Nambole Stadium said both boxers had signed contracts and predicted a crowd of 80,000.
Holyfield, 47, has not fought since losing on points to Nikolai Valuev in a WBA title fight in December 2008.
The four-time world champion believes victory could earn him another shot at a more prestigious title.
Holyfield's record stands at 47 wins and 10 losses, with two draws, and he has vowed to fight on until he regains a recognised version of the world heavyweight crown.
Many fans and pundits felt he should have been awarded the decision against Valuev in Zurich, and the Russian has since lost his title to Britain's David Haye.
South Africa's Botha (47-4 with 3 draws) has lost to former world champions Mike Tyson, Lennox Lewis, Wladimir Klitschko and Michael Moorer in the past.
But he beat Ron Guerrero last February to claim the vacant WBF title and retained it with a split-decision win over Timo Hoffman in May.
Britain's former Olympic super-heavyweight champion Audley Harrison held the WBF belt for several months in 2004.
Organisers at Kampala's Nambole Stadium said both boxers had signed contracts and predicted a crowd of 80,000.
Holyfield, 47, has not fought since losing on points to Nikolai Valuev in a WBA title fight in December 2008.
The four-time world champion believes victory could earn him another shot at a more prestigious title.
Holyfield's record stands at 47 wins and 10 losses, with two draws, and he has vowed to fight on until he regains a recognised version of the world heavyweight crown.
Many fans and pundits felt he should have been awarded the decision against Valuev in Zurich, and the Russian has since lost his title to Britain's David Haye.
South Africa's Botha (47-4 with 3 draws) has lost to former world champions Mike Tyson, Lennox Lewis, Wladimir Klitschko and Michael Moorer in the past.
But he beat Ron Guerrero last February to claim the vacant WBF title and retained it with a split-decision win over Timo Hoffman in May.
Britain's former Olympic super-heavyweight champion Audley Harrison held the WBF belt for several months in 2004.
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