You really need more than a couple of hours to train for 3 man. It takes days of teaching, reviewing, and practicing. And it has to be taught by guys who know it, which is usually a college ump trainer, director, or supervisor. Then it takes many games or sometimes a couple of seasons for sime to ever get it right. There is more to it than some know. I called college ball for several years and it is one of the more difficult things to learn.