Bill Holden (born 1948) is a teacher who embarked on a 2,100 mile (3,400 km) walk, from Arizona to Chicago, during 2005, hoping to raise $250,000 dollars to be donated to the American Diabetes Association so that a cure for juvenile diabetes can be found.
On New Year's Eve 2004, his son presented him with the docu-film This Old Cub, based on Santo's experience as a diabetic player in MLB.
His fund-raising walk made headlines in newspapers across his home country, including The Arizona Republic and many others.
Ron Santo told reporters, "When he mentioned the fact that he was going to walk from Arizona to Wrigley Field to raise money for diabetes, I couldn't believe it! Then, when I heard he was 20 miles away, I'm saying 'get in the car and drive it. You've made it!' But he said, 'Nope, I'm going to walk'. I mean, think about that. It's amazing!"