Your youngest players are 20 years old, and none of them are 6'9".
The 19 year old was placed in a burlap sack and beaten for his insolence, and then cut from the team.
As happens way too often.
He asked for it. If you don't want to be a 19 year old placed in a burlap sack and beaten for your insolence, don't be 19 (or don't be insolent, but frankly, sometimes insolence is required).