A low block lives or dies on where the clearance goes

Defending deep is not the hard part, it is what happens in the two seconds after the ball is finally cleared.

Ninety minutes of disciplined defending can be undone by one clearance hit straight up in the air. It comes down twenty five yards out, an opposition midfielder heads it back, and now a block that spent five minutes holding its shape has to hold it for another five, with legs that are gone.

That is the real problem with a low block, and it is almost never how the low block is described. The tactical conversation is about compactness, about the distance between the lines, about denying the ball into feet. All of it matters. None of it decides matches on its own, because a well drilled deep defence will survive almost any single attacking sequence. What kills it is being unable to end the sequence.

An exit needs a target and a route. The target is a striker who has spent forty minutes running away from the ball and now has to hold a long pass with a centre back leaning on him. The route requires somebody, usually a wide midfielder, to be positioned high enough to be an option and deep enough to defend, which is a contradiction the coach resolves by simply picking a side.

Teams that defend deep well are the ones that solve the second phase, and it is a personnel question dressed as a tactical one. If your forward cannot hold the ball, no amount of shape work will save you, because every clearance returns within eight seconds and the block never gets to breathe. I would argue that when a promoted side gets relegated after defending deep all season, the failure is nearly always up front rather than at the back.

The alternative is to accept you cannot keep the ball and clear it out of play deliberately, buying a throw in and thirty seconds of rest. Coaches will not say this publicly because it sounds defeatist. Watch the touchlines late in a match a small team is drawing and count how often the ball goes out on purpose.

I have some sympathy with the aesthetic complaint. It is not attractive.

It is also the only thing standing between a lot of clubs and a fixture that ends four nil, so I would leave them alone about it.