No downside to holding back your son. Do it and they will be more successful on the field and in the classroom. It is not cheating.

The entire discussion is a waste of time.

No downside... someone please present any evidence at all that it damages the child. Anyone? Anyone?

Ethics and Karma are what you argue? That is just stupid.

The dbag kid was not that good in the first place. If they hadn't held him back he would not have made the team.