"They have a big dog racing industry in Mexico. It's a huge industry down there but illegal in California. We rescued him when we lived in L.A.
He never raced. They're bred and trained to race, but if they don't come in 1st, 2nd, or 3rd, they euthanize them. By two years-old, most of these Grey Hounds are put down. Rio is eight years-old."