ACOSTA is a story about the entire Acosta family, but especially about Oscar Acosta, the feisty pitching coach who first turned around the Chicago Cubs and then the Texas Rangers followed by a minors Yankees team, before dying in an auto accident in the Dominican at age 49. The parents of Oscar and his sister Yolanda were immigrants who came to the U.S. from Mexico to work on other people's ranches in southeastern New Mexico. That Oscar, who everyone...