Fighting In Baseball

Two nights ago I was watching a baseball game where the pitcher hit the batter intentionally once, then threw behind him meaning he was trying to hit him again.  The batter then charged the mound and took a swing at the pitcher before both benches cleared and a brawl broke out.  I think that the batter was right to charge the mound I played baseball for 10 years of my life and hitting the batter once sends a message to him that whatever he did in the past wasn't acceptable.  Going after him twice in two games is just unprofessional.
Whatever the suspension is for the batter that charged the mound it should be the same for both the pitcher and the first baseman that came in and took out the batter.  If I was in the same position as the batter I would of done the exact same thing, there becomes a point where you have to protect yourself and getting thrown at twice is just unacceptable.