Prove it as a AMC... my experience sid me that I can put a ST as a AMC and sometimes is better. I think that whenone moves a player only 1 line, theres no problem.
But maybe can happen something different like, MC as a DMC do more fouls, or maybe exists a side in the programming of a player that makes it worst/better in some places and is programmed to have a high penalty in a wrong position.
That's my viewpoint.