Image Mike Alessi (Smartop MotoConcepts Racing) was out front early in the second 450 heat race. Credit GuyB Related: Supercross 2015 Photo Blast Arlington Mike Alessi Use keyboard arrow keys to browse the gallery. Swipe to browse the gallery. Prev Next 14 of 52Autoplay Autoplay SlowMedFast Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter GuyB 2/15/2015 11:11pm Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter