Legal Question in Criminal Law in North Carolina

Neither. This is a gentleman's bet and does not rise to the level of a contract for several reasons but most notably because there is no quid pro quo or consideration basis to form a contract. As such it's enforceability rests on the strength of the word of the individuals involved. Nor is this illegal as far as I can tell. It is however, a nifty and somewhat clever way to sidestep something that may be illegal or at least a violation of school policy and that would be outright buying your daughter a position in the batting lineup.