Concert bookings show up on the pitch three weeks later

Multi-use venues need non-sport revenue to service their debt, and the surface players run on is what pays for it.

A stadium with a large construction loan cannot survive on twenty-five matchdays a year, and everybody involved in financing one knows it before the first brick. The business case is built on the other two hundred days: concerts, conferences, another sport's season, a boxing card, whatever fills the calendar. Then a groundsman is handed the consequences and told to have the surface ready for a Saturday.

The mechanism is not mysterious. A stage and its rigging sit on a covered pitch for several days, the covering blocks light and traps heat, and grass that has been in the dark for four days in July does not simply resume. Reseeding and repair take weeks the fixture list does not have. The visible result is a surface that holds moisture unevenly and cuts up in patches, and the invisible result is a change in how the ground behaves under a planted foot, which players notice immediately and describe in ways that sound vague to anyone who has not played on it.

Hybrid pitches and grow lights have made this manageable rather than solved. They have also made it cheaper to book more events, because the venue can now argue that the technology absorbs the damage, which it does until the calendar tightens.

My argument is that the trade is currently invisible, and invisible trades get made too often. A venue should have to disclose its non-sport event calendar to the competition it hosts, and a league should be able to require a minimum recovery interval between a stage load-out and a fixture, in the same way it requires floodlight levels. That would put a price on the booking rather than leaving the cost with whoever is playing.

Tenant clubs who do not own their stadium have no say in this at all. They are the ones who complain most and are heard least, because the owner's revenue and the tenant's surface are on different sides of a lease.

Next time a pitch is criticised on a broadcast, look up what was on that stage the previous weekend. Usually it rhymes.