Jack is a leading authority on coaching youth sports, sports parenting, baseball, and marathon running, as detailed in his four books. His post-Major League baseball career has been about helping youth and their parents through the complicated world of youth sports. Combining his playing, coaching, parenting, and running experiences, he continues to help create better sporting life for athletes, baseball players, and adults. Having completed 14 marathons and in training for his next, his new book details his running travails in the context of the things he learned on his quest to play Major League baseball, all to help others learn to compete and win the games and game of life. Jack provides the philosophy and strategies that keep the fun in sports.