Fluffy is the only one at MW I can think of right now that is a real test before Khamzat. Anyone who gets a titleshot before matching up with a grueling wrestler basically might as well be a kickboxer crossing over to MMA. Even Imavov has only defended takedowns from Caio, Izzy, Allen, Cannonier, Dolidze, Strickland, Buckley, Shahbazyan, Heinisch, Hawes, and Williams since joining the UFC. I get you can only fight who you can, but Fluffy is the only real test right now.
Since winning the belt in 2023, Strickland has only fought 2 fighters in 3 fights. He manages to make every fight a close decision because of his defensive style, but I really hope he loses and gets sent down the rankings to become active again. Fluffy's cardio draining style is great for the division, and someone like him should keep all the contenders in check before the title shot.