Strong in the Gym, Slow on the Field
Every gym has one. The athlete with the best numbers in the building who does not look like it on the field.
The lifts are real. The strength is real. It just does not arrive when he needs it, because a max effort lift and a sprint out of a cut are not asking the body for the same thing.
What a max lift measures
A max lift measures how much force you can produce in one direction, in a fixed position, with time to set up.
Sport gives you none of that. Force has to come out fast, from wherever your foot happened to land, in a position you did not choose, while somebody moves you. What decides whether it arrives is not how much you can produce. It is how much of it survives the trip from the floor to the thing you are trying to do.
Where it leaks
Force leaks at whatever is not holding.
Take the athlete with a big squat and nothing in the adductors, the glutes or the VMO. Under a bar, in a straight line, with both feet planted, the stabilisers barely matter. Change direction on one leg and they are the entire job. The knee gives up a little rotation, the hip drops, and the force that was supposed to go into the ground goes into controlling the athlete's own body instead.
He is not weak. He is strong in a position he never plays in.
What has to be true instead
Strength transfers when the parts underneath it are doing their jobs.
That means the stabilisers get trained rather than assumed. It means priming the weak areas, the hips, the spine, the shoulder complex, before load goes on them, so the pattern is right when the weight arrives. And it means at least some of the work happens on one leg, off balance, in the positions the sport actually puts you in.
Do that and the squat starts showing up in the first step. Skip it and the squat stays a squat.