New York Athletic Commission appointed Michael Griffin as the referee for the Wladimir Klitschko vs Bryant Jennings title fight this Saturday April 25, at the Madison Square Garden.

Griffin will be accompanied by the American judges Max de Luca, Steve Wesifeld and Robin Wright.

The Ukrainian fighter defends his heavyweight championship of the World Boxing Association that appointed Gilberto Jesús Mendoza as supervisor.

Klitschko (63-3, 53 KO) will defend his IBF and WBO titles.

On the other hand, Jennings (19-0, 10 KO) is the WBA second rated contender.