Rujark Champ is a T6 Contested mob, which means he isn't up often, and when he is raiding guilds bring him down fast.
Voracious Fistwraps don't drop off him every time either.
Bone Crusher, And a few of our other skills for that matter lost their debuffs the same time we lost our haste and other things.
Combat Changes took them away from Bruisers.