He earned the nickname "Cinderella Man" due to his improbable rise to fame as a boxer. Here's why:
* His humble beginnings: Braddock was a struggling boxer who had lost his fortune and was facing severe hardship during the Great Depression. He was unemployed and had to rely on charity just to survive.
* His underdog status: He was considered a washed-up boxer with little chance of success. However, through sheer determination and grit, he managed to make a comeback.
* His incredible journey: Braddock's rise from poverty and obscurity to becoming heavyweight champion was a remarkable feat. His story is analogous to the classic fairy tale of Cinderella, a poor girl who transformed into a princess.
Therefore, the nickname "Cinderella Man" perfectly captures Braddock's extraordinary journey and his improbable success against all odds.