UCA Honorary Champion John “Bone Crusher” Etherton, 76 years old, retired San Mateo County Sheriff Dept. John has been training at The Kennel Boxing Gym, 4 years. John is a one of a kind Amazing and Awesome person. The Kennel Boxing Gym, 3051 Teagarden St, San Leandro, CA 94577 (510) 483-3006 theteam@kennelboxing.com MON-FRI: 9AM – 9PM Closed 1PM-3PM SAT: 10AM – 3PM. http://youtu.be/e2Z25Cwwyc0