1. But before all of that, Chuck Wepner was a liquor salesman and father with a modest prizefighting career

2. Though he was technically a prizefighter, Mendoza did much to change prizefighting to a sport, for he brought science to the game.

3. Though he was technically a prizefighter, Mendoza did much to change crude prizefighting into a sport, for he brought science to the game.

4. Though he was technically a prizefighter, Mendoza did much to change crude prizefighting into a sport, for he brought science to the game. In this day, Mendoza enjoyed tremendous popularity.