Form tables count results and ignore the calendar that produced them. The gap between fixtures shapes what a team can physically do, and it is knowable in advance rather than inferred after the fact.
Recovery is a physiological timeline, not a preference
A competitive soccer match produces muscle damage and fatigue that take days to resolve, with markers still elevated well after the players feel normal.
Sports science departments plan around that timeline, which is why a squad training the day after a match is doing recovery work rather than anything demanding.
A team playing again after two days has completed a fraction of that process, and the effects appear in high-intensity running rather than in anything a highlight package shows.
The visible symptoms are specific
Fatigue does not usually make a team play badly in an obvious way. It reduces sprint distance, pressing intensity and the willingness to make repeated recovery runs.
Those reductions show up late in matches and against opponents who force a high tempo, which is why a fatigued team can look fine for an hour.
Injury risk rises with the same pattern, particularly soft-tissue injuries that occur during sprinting rather than through contact.
Schedules are unequal by construction
Television selections, European commitments and cup replays mean two clubs approaching the same fixture can have had very different weeks.
One may have played on Thursday night away from home while the other last played the previous weekend, and that difference is fixed before either team is selected.
Because the fixture list is published in advance, this input is available to a preview writer without any inside information at all.
Squad depth changes how much it matters
A club with two credible players in every position can rotate through a congested run without the individual workload rising much.
A club relying on a settled eleven cannot, and its fatigue accumulates across weeks rather than resetting between matches.
This is why congestion hurts smaller clubs in European competition more than it hurts the wealthy ones, even when both play the same number of games.
Why form tables miss it entirely
A run of results says what happened, while rest days say something about what the team will be able to do next, which is what a preview actually needs.
Combining the two is straightforward: check the schedule before the results, and treat a good run compiled with plenty of rest as weaker evidence than the same run through a congested month.