Wright lost the IBF belt for taking a rematch against Mosley .
Winky Wright became the first undisputed champion of the light middleweight division after unifying his IBF belt with Shane Mosley 's WBA and WBC belts .
Winky Wright lost the IBF belt for taking a rematch against Shane Mosley .
Winky Wright became the first undisputed champion of the light middleweight division after unifying his IBF belt with Shane Mosley 's WBA and WBC belts .