Haiden Deegan has posted videos of himself riding a 450 on supercross. While it’s confirmed that he’ll be moving up for the 2026 Pro Motocross season, there’s some speculation that Deegan could line up for a few 450SX rounds next year — possibly on the opposite coast from where he’ll be racing. In a dream scenario, imagine Deegan stepping up to the 450 class for supercross, making the 2026 Anaheim 1 even more of a spectacle. While that’s unlikely, it won’t be long until Deegan joins the premier class — arguably the most anticipated graduation since James Stewart…?