"Women weaken legs," said the famous trainer Mickey Goldmill. So does a sledgehammer to the kisser. Fight Night Champion's going to bring a more sophisticated stamina system that you'll need to know to keep from being a two-punch chump.
Now, that thing Goldsmith also said about eating lightning and crapping thunder, that's not part of the game. It's a background calculation, I think.
Fight Night Champion releases March 1 for Xbox 360 and PS3.