Image Jordon Smith had the early lead, but Zach Osborne jumped to the lead shortly afterwards. Credit GuyB Related: Jordon Smith Zach Osborne Monster Energy Supercross Photo Blast St. Louis Supercross 2017 Use keyboard arrow keys to browse the gallery. Swipe to browse the gallery. Prev Next 4 of 47Autoplay Autoplay SlowMedFast Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter GuyB 4/3/2017 4:59pm Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter