This is no longer about any one team or even football. If he does not conquer these behaviors now, while he is surrounded by people and structures that want him to succeed, they will consume him with such existential misery that he will despise of life itself.
And act accordingly.
I knew a HS player whose life circumstances were the exact opposite of the stereotypical "ghetto" athlete. His physical skills, size, and speed were freakish. He would have been recruited by the top college programs. But he could not make himself do things he didn't
feel like doing. Couldn't make himself study, do classwork, focus during class... nothing. Except football.
Learning more about his growing up, despite having all the material comforts of life, there was just enough chaos in the home--and at critical moments in his emotional development--that by HS he was in key ways still trapped in the inner world of a neurotic six year old. Great guy. Great personality. Not a selfish person with others. But volitionally atrophied.
The tragedy is not that young men like these are going to miss out on a successful football career and the white collar career that could have followed. It's not that they will live more meagerly, fit by lack of education for only blue collar jobs. It's that they won't possess enough self-discipline to hold even those jobs (which are daily getting rarer).
No longer do the "lost boys" of Pinocchio's Pleasure Island turn into load-bearing blue collar donkeys. They will settle into just enough social safety net to trap them in addictions. Or, they will act out their frustrations through violence: first domestic, but eventually towards self. And another life, which a mother and so many adults along the way wanted to invest in, will end needlessly.
Screw the ritual rivalries. This is real life.
Challenge: if you care enough to read once or post once about Cormani... then pray just once for him. See if God can turn him around.