Photos by Namsia, Bill Petro Ross “Rollerball” Pederson was born October 7, 1960 in Medicine Hat, Alberta. He didn’t start riding dirt bikes until he was 15 years old, a relatively old age by today’s standards. One day Pederson saw a bunch of guys out in a field riding around and figured he could do that and tried it. He was hooked right away. His father, Jim, bought him a dirt bike and he s...