#5 Weight cuts
Weight cuts are pretty ridiculous things at the best of times, but when you're someone like Khabib Nurmagomedov it's apparently taken to the next level altogether. The Russian has had a few troubles with cutting weight before and in all honesty, it's not surprising, especially when you consider that he walks around at an average of 170 and attempts to get down to 155.
As many people know his scheduled fight with Tony Ferguson at UFC 190 was cut due to Khabib being hospitalised, and it just highlights the growing problem that fighters have when it comes to cutting weight. Some will say that it's their own fault if they get ill, but having to dehydrate your body in such an unhealthy way seems beyond risky given the reward isn't often that great.
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Onto something that a lot of fighters would've done in the past.