The rise and fall of fortunes is one of the main things that makes mixed martial arts such a compelling sport. Even the most dominant of champions must one day fall; unbeatable at their peak, an undercard fighter a year later.
Machinemen is a video artist who has been creating iconic MMA highlights for years. His latest documents the bittersweet nature of the sport with a montage of famous faces who have seen their time come and go. See how many you recognise: