Take a look at this cool video intro for the 2025 AMA supercross championship, which kicks off this weekend at Angel Stadium in California. Will it be a day of Australian success, or can the Americna's hold off the brilliant Aussies, Jett Lawrence and his big brother, Hunter. Haiden Deegan will be one to watch on the West Coast 250 title race, while former World MX2 champion, Tom Vialle will do the East Coast.