Main card fighter Gunnar Nelson was at the open workouts Wednesday in London. Gunni with coach John Kavanagh had a quick warm-up session in the cage before facing down with Russian Omari Akhmedov. The two are in the main event of UFC Fight Night: Gustafsson vs. Manuwa taking place on Saturday at the O2 Arena. Check out MMAViking’s Daniel Schälander’s photos from the event.