Bockwinkel was involved in the first ever AWA versus World Wide Wrestling Federation ( WWWF ) World Title Unification match , wrestling WWWF Champion , Bob Backlund , to a double count-out , on March 25 , 1979 .
He competed in the first ever AWA versus World Wide Wrestling Federation ( WWWF ) World Title Unification match , wrestling WWWF Champion , Bob Backlund , to a double count-out , on March 25 , 1979 .