Jack Dempsey KOs Jess Willard This Day in Boxing July 4, 1919 and becomes the new heavyweight champion.<br>The Pottawatomie Giant, Jess Willard defends his World Heavyweight title against the most exciting boxer of the era, Jack Dempsey. The fight would result in .<br>You will never see a fight like this in the modern era-- -- form Wikipedia-- He began 1919 winning five bouts in a row by knockout in the first round. Then on July .<br>Willard wins the heavyweight crown. Johnson says he threw the fight.
