He's around 220lbs between fights?!? I'm ~215lbs at around 9% bf, and I could never even fathom hitting 170 - I'm no professional fighter, but still. Let's assume Hendricks is 220 at maybe 12% bodyfat between fights, and he gets down to MAYBE 6% for weigh ins (doubtful, as Hendricks isn't the leanest of guys). That only accounts for 13-14lbs, meaning he either loses a lot of muscle along with the fat during training camps, or he somehow sheds 36lbs of water! That's 17% of his total mass in water dropped. Can't be healthy.