For me it seems that the ME itself is inconsistent. I've had a good amount of matches where most issues have been fine, although there has been some keeper f-ups, some quite out of the ordinary. But then suddenly I can have a match or two where everything goes wrong, and I'm not talking about that match where the odds go against you etc. but the match where everything that can bug does; keeper taking a freekick outside the box, sending it straight to an opponent who can score on open goal, defenders seemingly jumping over my own support passes and then the opposition striker can pick it up, keeper conceding long shots and everything that comes straight at him and the worst is - up front for my team, I can have 6+ CCCs but simply can't score. Even had Demba Ba, in one of these matches, sky a shot from 2 meters in front of open goal - that happens sometimes of course but all this, in one match?
I'm sure SI will fix this pretty soon though, everyone is hopefully reporting it. I just find all this weird, since it seems that the ME hasn't undergone enough thorough testing, which seems very unlikely but still seems to be the case in FM13 atm.