AKC certified reverse brindle, male boxer, black mask, white socks, CAA, BCAT. Chief sitting bull will be five years old August 5, 2025. He is mild mannered, loves kids and most people. Chief is a sport dog, he enjoys, swimming, running and competition. Chief has earned his BCAT and CAA. Chief had his DM- degenerative myelopathy test and has tested normal or clear for the mutation, known as degenerative myelopathy. He can only transmit normal gene to offspring and can be bred to a dog with any test result, with very minimal risk of producing affected offspring.