floyd mayweather v manny pacquiao is now just nine days away .
sportsmail 's jeff powell has been counting down the greatest fights .
in the fourth of a series of 12 fights that shaped boxing history , we have george foreman v muhammad ali - the rumble in the jungle .
it was a fight which astonished the satellite world on october 30 , 1974 .
foreman v ali inspired movies and millions of words written about it .