Image Martin Davalos was a rookie...in the 450 class. He'll spend the summer aboard the big-bores. Credit GuyB Related: Martin Davalos Vital MX Pit Bits Hangtown MX Nationals Pro Motocross Championship 2017 Use keyboard arrow keys to browse the gallery. Swipe to browse the gallery. Prev Next 31 of 75Autoplay Autoplay SlowMedFast Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter GuyB 5/23/2017 9:32am Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter