Its going to be the cool thing around here to kick him while he's down. It's been trendy for years. While he was winning, they had to look for excuses, but the past few years its been a lot easier.
No, you can't beat up a professional fighter. I don't care if you're 5'9" 230 lbs and knew a guy on the wrestling team in high school. Not even a flyweight, not even a female. So shut it.