Watch on HDtoday. You’ve seen the moment — the clash between Valentino Rossi and Marc Marquez that split the racing world in two. But what if the real story wasn’t just the crash, or the Championship fallout? Sepang Clash: 10 Years On offers an in-depth exploration of the 2015 Malaysian Grand Prix, a defining moment in MotoGP history centred on the fierce rivalry between Valentino Rossi and Marc Marquez.