Originally Posted by The Rage
He sits at 94-96 in the pros, he probably is a ace in the making. That is the key.
Not just that, in each game he has thrown multiple good or better pitches with each of his offspeed pitches. He needs to improve his command, but the amount of 19 year olds who don't can generally be counted on one hand. If he remains healthy, he should be a very good pitcher.