and thats what he heard calling him a racist name. Come on man. You sound like you're grasping for straws. Anything is possible for sure but you're suddenly attributing attributes like being level headed and willing to deal with racism to a guy who had just been wildly swinging a helmet at somebody trying to injure them.
Specific to him not knowing the penalty, lets be real. Anybody and everybody who knows about football knew it was going to be a huge penalty for an act like that.