BigHit, Fielder has not as far as I know had any previous problems and I wasn't trying to paint him in the light that he had. Sorry for the confusion in my post.
What I was merely trying to point out is that thugs as I know are one's who at times resort to violence to make a point instead of being civil and discussing it as adults. I use the word thug while others may have more appropriate names for these types of individuals.
As fanofthegame mentioned, there is NEVER a reason for violence! I don't care what or why the Brewer pitcher was upset, etc. but who did Fielder think he was by getting into a shoving match?
I don't disagree with any of you that made the statements about being with teammates for long periods of times. But for Yost to make light of this situation like he did is assinine and shows his superb managerial skills.