Originally Posted by Rob_Floyd
As for moving up in weight, I think that fighters only do it to appease the pressure put on them by fans who can't wait to see a dominant fighter lose. People love seeing successful people fail, and if a fighter is dominant in their weight class, the best chance of them failing is if they move up in weight. I say **** the fans and fight where you are comfortable.
They move up in weight for the money.
But back in the day, they moved up in weight because they actually had advantages in technique and knowledge that gave them a high percentage of winning.