Fans are free to like or dislike any player they want. It's a personal preference. But to get angry AT a professional athlete for injuries is childish, IMO. And I see plenty of fat players all over the league, especially pitchers. I see plenty of perfectly fit players getting hurt all the time. Assuming that Sheets could have reduced or eliminated his injuries had he been in better shape is quite the assumption, IMO. Inner ear problems? Finger injury? Come on now. The muscle injuries perhaps, but who the heck knows. Anecdotely, I don't see a huge, obviously correlation. It just seems like a convenient way to justify ripping into Sheets for something he probably had little or no control over. I think people are better off just sticking with the argument, "It's my right to boo!" than trying to rationalize their emotional venting. Just say you do it because it makes you feel better. At least it's the truth.