Southwick highlights - Another title for Ryan Dungey

MX Sports Pro Racing presents the Rockstar Energy Southwick Highlight Video from Saturday's Rockstar Energy Southwick National at Moto-X 338 in Southwick, Mass. The day was a historic one for Rockstar/Makita Suzuki's Ryan Dungey, who raced to his ninth straight overall victory and captured the 450 Class title with two rounds remaining. With his latest championship, Dungey becomes the first rookie to win the AMA Supercross and AMA Motocross titles in the same season and he is now tied with Ricky Carmichael for the winningest rookie year in history with nine victories, In the 250 Class, GEICO Powersports Honda's Trey Canard saw his four-race winning streak come to an end as Monster Energy/Pro Circuit/Kawasaki's Tyla Rattray took his second career win on the same day as the birth of his first child.