The SuperMotocross World Championship preview show features appearances from 2023 SuperMotocross 450 world champion Jett Lawrence, who will make his Supercross debut in the premier class, 2023 SuperMotocross 250 world champion Haiden Deegan, Hunter Lawrence, who is set to start his rookie year in the 450 class, 2022 Supercross and Pro Motocross champion Eli Tomac, 2018 Supercross champion Jason Anderson, two-time Supercross champion Cooper Webb, 2023 Supercross 450 champion Chase Sexton, and veteran racers Aaron Plessinger and Justin Barcia, as they all prepare for the upcoming 2024 season. #NBCSports #SuperMotocross #SMX » Subscribe to Motorsports on NBC: https://www.youtube.com/motorsportsonnbc?sub_confirmation=1 » Get the latest motorsports news on NBC Sports: https://www.nbcsports.com/motors » Watch SuperMotocross on Peacock: https://peacocktv.smart.link/v82e9dl56 NBC Sports – the home of motorsports – features unparalleled motorsports programming, fueled by the network’s media r