Patience, persistence, and the most unlikely of circumstances vaulted Edgar Martinez from a poor neighborhood in Dorado, Puerto Rico to the spotlight in Seattle, where he spent the entirety of his 18-year major league career with the Mariners. At last, his path appears destined for one last stop: the Baseball Hall of Fame in Cooperstown. Long before he cemented his status as one of the finest players of his generation, Martinez honed his...