Boxing legend Oscar De La Hoya has always been one of the Good Guys in pro sports, and he proved that again this month by visiting U.S. troops stationed in Iraq and the Middle East. De La Hoya, along with three up-and-coming fighters from his company, gave boxing clinics and mingled with various troops on the week-long trip, which sponsored by the USO. The experience, which included visits to bases that came under fire, left him humbled. “Hearing their stories and seeing what they go through on a daily basis has changed my life,” De La Hoya told ESPN’s Dan…