BSB2019: Mackenzie takes out teammate O'Halloran on the last lap! - Silverstone National RACE1

British Superbikes starts off in the most dramatic fashion as teammates Mackenzie and O'Halloran collide on the last lap of the first race of the year. If you enjoy my content, please subscribe to the official British Superbikes channel and follow their twitter to support our great sport! BSB Youtube:    / britishsuperbike   BSB Twitter:   / officialbsb