Dave Mirra BMX Challenge

Dave Mirra is to BMX what Edison was to electricity. What the Wright Brothers were to flight. Like them, he rewrote the rules of what's possible. On the ground or above it, the Miracle Boy has redefined the boundaries of the sport and then promptly surpassed them. Now, the legend of the winningnest X Games competitor of all time is on the PSP system, letting you defy gravity wherever you go. With ...