Magee had previously held the lightly-regarded IBO super middleweight title before losing that belt against Robin Reid.
Hatton suffered a brutal second-round defeat in his IBO light-welterweight world title bout against Manny Pacquiao in May.
The securities industry, according the city's Independent Budget Office (IBO), accounts for 25% of the wages paid in the city.
The former IBO champion from Belfast was back in the ring six months after his British super-middleweight title defeat to Carl Froch.
Haye lost his WBA title in July to Wladimir, who also holds the WBO, IBF and IBO belts -- while Vitali is WBC champion.
Fighting for only the second time in 17 months, former British and IBO champion Wilders dominated the 12-round contest to win by a unanimous verdict.
However, that plan seems to be in tatters after Jones was stopped in the first round by IBO cruiserweight champion Danny Green in Sydney on Wednesday.
The Belfastman, now ranked eighth by the WBA, has claimed 21 straight wins in his professional career including six successful defences of the lightly-regarded IBO title.
Briton Haye, 29, says he now wants to fight either WBC champion Vitali Klitschko or his brother Wladimir, who is the WBO, IBF and IBO champion.
For schools offering an International Baccalaureate Diploma, go to www.ibo.org.
Johnson beat Tarver on a split decision in an IBO title bout in December 2004, but Tarver gained revenge with a split decision of his own last June.
"I will hopefully pass on the experience I have picked up over the years, from winning a bronze at the Olympic Games, the WBC title, the IBO title and getting in with some great fighters like Joe Calzaghe, " he said.
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