>> larry: "grizz" a kidney. nbc.com. let's get in line. you love them on the show. why not help them now? now it's time for heroes. this week we salute a 2007 hero currently working amid tragedy in haiti. before the earthquake bobby was serving 1,500 kids from nearby slums in his sports and feeding program. now his center is also home to more than 100 homeless families. tonight cnn honors bobby and his enduring organization, athletes of haiti. >> reporter: more than two weeks after the earthquake bobby duvall is overwhelmed. the soccer field he built for kids is now a home for hundreds. >> it's really something. we were already in a hole. now we're in a much deeper hole now. >> reporter: duvall was a cnn hero in 2007. he founded a soccer training center called athletics of haiti giving kids from the poorest neighborhoods in port-au-prince an opportunity to get off the streets, play a sport, and get a meal. that program is now a life saver. many of the families of the children who played soccer with bobby moved o