2019 AMA Texas State Championship Round 3 storms into Murphys MX on Sept. 5, 2019. The AMA statewide motocross championship series is back for its 9th year with Round 3 of the D20 championship series at Murphy’s MX in Red Rock, Texas and the Austin Area Motocross Scene will be there in full force! The Voice will announce all the race action and Blondie will catch it on digital. Bo Dean, Bonnie and Clyde and the wills1mulisha Rollin Superstore will be there as well with its new fall collection.