Tunney had a very successful boxing career losing only once with a record of 65 - 1 .
Another boxer that was said to take a scientific approach was Gene Tunney , he was n't the biggest or fastest but his boxing IQ was highly developed .
Gene Tunney had a very successful boxing career losing only once with a record of 65 - 1 .
Another boxer that was said to take a scientific approach was Gene Tunney , he was n't the biggest or fastest but his boxing IQ was highly developed .