You can learn a lot about a baseball team from its locker room. The clubhouse is where relationships form, character is revealed and leaders speak out (or not). For the major league rookie, clubhouse real estate is valuable — sometimes priceless. Imagine being the rookie who spent eight months out of the year next to Sandy Koufax? Roberto Clemente? Lou Gehrig? Tom Seaver? These were model athletes, wise and humble men, who used their talent to teach.