OAKLAND, CA - APRIL 15: Lockers in the Oakland Athletics clubhouse are lined with No. 42 jerseys in honor of Jackie Robinson prior to the game against the Baltimore Orioles at the Oakland Coliseum in Oakland, California on April 15, 2010.  The Athletics defeated the Orioles 6-2. All Major League players wore number 42 today in honor of Jackie Robinson. (Photo by Michael Zagaris/Getty Images)