Sandy is right, call the dive. It's not hard to do that and the NCHC supervisor of officials should review each game and make a list of players that dive. Give this list to on ice officials so they know who dives a lot so they can be on the lookout for it. If diving is called as the only penalty instead of taking both it would stop, or better yet make diving an auto double minor.
CC should play Unger for the last 6 games. I wouldn't give Mbereko senior night, time to get the other goalie ice time or they could lose another goalie after a year.