But with the British title now vacant the other heavyweights can start getting into line for eliminator bouts to have a crack at the crown.
Oakey's opponent for the vacant title is now likely to be Belfast's former Commonwealth champion Brian Magee.
Dagenham fighter Cook, who has won all 27 of his professional bouts, faces American Luevano for the vacant title in Greenwich.
Maloney apologised to fans from the ring and is now aiming to stage the vacant title fight in Oakey's home city of Portsmouth.
The only blemish on his 20-fight record was when he dropped a controversial split decision to Wlodarczyk in his previous fight for the vacant title in November.
Oakey and Spartacus had been matched for the vacant title by the British Boxing Board of Control after they stripped former champion Peter Oboh of his belt for failing to defend against Oakey at Wembley Arena last month.
The title could become vacant if Braehmer - who pulled out of a 17 July defence against Vikapita 'Beast Master' Meroro because of injury - fails in his appeal against a 16-month prison sentence for assault and insulting behaviour.
When the pair meet for a second time at the ECHO Arena, the vacant British title will also be on the line.
Johnson's win over Woods saw him claim the vacant IBF title, which he defended against Roy Jones Jr in September 2004 before relinquishing it to fight the division's other main protagonist, America's Antonio Tarver.
The 41-year-old Skelton takes on Italian boxer Vidoz for the vacant European heavyweight title.
British boxer Noel Wilders took the vacant European bantamweight title with a convincing points victory over Frenchman Fabien Guillerme in Nice.
Also on Saturday's bill at the National Stadium, Jim Rock claimed the vacant Irish middleweight title with a seventh-round stoppage of Slough-based Kevin Phelan.
Perhaps if his bout with Aberdonian Lee McAllister in October 2007 for the vacant WBU lightweight title had resulted in a different outcome, Docherty would have been encouraged to make a greater effort.
The bout is for the vacant WBO intercontinental cruiserweight title, with the winner expected to go on to challenge for the WBO world title.
Dubliner Paul Griffin out-pointed Bulgarian Wladimir Borov in a featherweight contest while US-based Irishman Oisin Fagan beat Jeff Thomas to win vacant Irish light welterweight title.
Earlier, America's Jeff Lacy won the vacant IBF super middleweight title by beating Canada's Syd Vanderpool when the referee stopped the fight in the eighth round.
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