The 2019 Truck Series regular-season champion from Fairhope, Alabama, led five of 100 laps and fended off Landen Lewis during a three-lap shootout to notch his first Truck victory in 40 races in Lakeville, Connecticut.
The 24-year-old Riggs from Bahama, North Carolina, led a race-high 21 of 53 over-scheduled laps and capitalized in overtime to win the Truck Series' inaugural event at San Diego's Naval Coronado Base.
