Duran made a victorious start to his career by scoring a knockout over Ben Hamida in the third round .
Duran made his professional debut on November 30 , 1967 in Barcelona , Spain .
Duran made a victorious start to Duran 's career by scoring a knockout over Ben Hamida in the third round .
Duran made his professional debut on November 30 , 1967 in Barcelona , Spain .