Billy Dib calls out Chris John

IBF featherweight titleholder Billy Dib (35-1, 21 KOs) of Sydney, Australia discusses his fight this Friday at Foxwoods Resort in Mashantucket, Conn., with contender Evgeny Gradovich (15-0, 8 KOs) of Russia, his promotional deal with rapper Curtis \"50 Cent\" Jackson, possible clashes with fellow titleholders Chris John and Mikey Garcia plus his good friend and former world champion \"Prince\" Naseem Hamed.