Plot drama, as this pretty much is bullshit.
Snowing fields have nothing to do with football, bad plot idea.
To do sports better, you practice it, the less practice you get, the more mistake you do.
Of course strength training and endurance training is a thing, but author isn't aware of burn out and overtraining it seems.
There is no way 15-17 yrs old kids would be able to run, shovel snow, train football and able to sustain that across long period of time and also learn football.
Lack of knowodlge by author of practical appliance of training.
welp, damn I guess real life stories are the best stories