Zonal marking gets abandoned because nobody can be blamed for the goal

The system usually survives the analysis and dies in the dressing room, which tells you the problem was never tactical.

A goal goes in from a corner. The manager who marks man to man knows within ninety seconds whose fault it was, and so does everyone else in the building, including the player. That clarity is worth something. A zonal side concedes the same goal and gets four defensible answers: the near post header should have been won, the zone was set a yard deep, the attacker had a run at a standing man, the goalkeeper stayed. Nobody is wrong. Which is exactly the trouble.

I think zonal marking is a slightly better system that loses a political argument roughly once a season. It is better because standing men can attack a ball with a run-up while marked men are being dragged, blocked and screened by attackers who train the blocking. It loses because a system that spreads responsibility evenly also spreads it thinly, and a squad under pressure wants a name.

The honest version of the criticism is worth stating. Zonal defending gives up the second ball more often, because your players finish the phase where they started rather than where the ball went, and a header cleared to the top of the area finds an attacking side that is already facing goal. Hybrid schemes exist for that reason, not because coaches are indecisive. Two men on the posts, three or four in a zone, two picking up the specific runners who scare you, one on the D. That is most Premier League corners now, and it is nobody's pure system.

What I would argue against is the pattern of abandonment. A side switches to zonal in July, concedes a scrappy one in September that would have gone in against any scheme, and by October the manager is telling the press he wants accountability. The change is not a response to evidence. Ten corners is nothing. You would need most of a season to distinguish a bad scheme from bad luck, and no manager gets to run that experiment in peace.

So the useful question is not which is better on a whiteboard. It is which one your dressing room can survive a bad month with. Pick the system you are willing to defend in public after a goal that looks stupid, because you will have to.