Zonal marking at corners: defending the space, not the player

Man-marking at corners asks each defender to find a runner and follow him. Zonal marking asks each defender to find a patch of grass and own it. The patch is small: two lines across the six-yard box, four on the goal line's edge and two a few metres in front, so that any ball dropped into the area where corners are scored meets a defender who was already standing there.

Pure zonal systems are rare. Most teams mix: six in zones, two markers on the opponent's best headers, one on the edge of the box for the second ball, one covering the short corner. The goalkeeper owns the six-yard box in front of him and calls it.

• Zones are assigned by height: the tallest defenders take the central zones where most corners land.
• Nobody in a zone moves before the ball is kicked. The zone is the job.
• The markers are the only defenders allowed to follow a runner.

The ball goes up and the zonal defenders attack it. Not the runners, the ball. Each one steps forward inside his zone and jumps, and because he started inside the space, he is between the ball and the goal before any runner arrives. The attacker who planned to lose his marker at the near post finds that there was no marker to lose and the near post was taken anyway.

This is the argument for the system. Runners generate momentum but they have to guess where the ball is going. A defender in a zone does not have to guess; he only has to win a header in a space he already occupies. Over a season the maths favours the zone.

A runner has to be right about the ball. A zone only has to be there.— TacticFrame editorial

When zonal marking concedes it always looks the same: a header from a player nobody was marking, and a defender next to him who did not jump. Pundits call it a failure of the system. It is a failure of one zone. The runner has timed his arrival between two defenders, on the seam where one zone ends and the next begins, and he meets the ball with a run-up while the defender meets it from a standing jump.

That is the trade. Man-marking concedes to blocks and lost duels; zonal marking concedes to the seam. The best zonal teams shrink the seams by staggering the two lines and by giving the front line a half-step forward as the ball is struck, so the standing jump becomes a moving one.

• Watch the defenders, not the ball, as the corner is taken. If six of them are stationary in two lines, the team is zonal.
• Count the markers. Two on the best headers is standard; four means the coach does not trust the zones.
• When a goal is conceded, look at where the scorer met the ball. Between two defenders means the seam; behind one means a marker was beaten.