On January 4 , 1999 . Mick Foley , who had wrestled for WCW in the early 1990s as Cactus Jack , won the WWF Title as Mankind on Raw . On January 4 , 1999 , Mick Foley , who had wrestled for WCW during the early 1990s as Cactus Jack , won the WWF Title as Mankind on Raw .