Seven bosses down, six to go. Let's talk about the loot we're going to, well, loot from the Siege of Orgrimmar. As an aside, this is the most I've ever felt like I was actually looting a place.
Winner of the prestigious "Name that I keep sticking extra A's in for no reason" award, and this raid's Hulk impersonator. What does the big M drop? Besides pain. He drops some pain. But also loot. Let's look at it, shall we?
Malkorok's Skullcleaver - solid for either tanking or SMF fury, with hit and critical strike rating and a red socket. It also appears to have a set of tauren horns mounted on the side of it, which is somewhat disturbing.
Vial of Living Corruption - tanking trinket, the stam on it is useful (stam is still a solid tanking option, even if it lacks the appeal of hit or mastery or an avoidance stat) but the cooldown reduction is the real draw here. It actually works on both Last Stand and Shield Wall for protection as well as Recklessness, meaning you can get more crit and thus put out more damage/threat (as well as guaranteeing a Shield Slam critical hit to Enrage you).
Malkorok's Giant Stompers - tank/DPS boots with expertise, mastery, a blue socket and a crit bonus on that socket. I'd definitely use them for tanking over DPS unless expertise is a significant problem for you, there's better DPS options for boots in the raid as a whole.
Malkorok's Tainted Dog Tags - See, this is why it feels like we're really actually looting a place - we're practically rummaging through Malkorok's entire kit of worldly possessions. This necklace is a very solid melee DPS neck for warriors, with critical strike and mastery.
Legplates of Willful Doom - On the one hand, very nicely itemized DPS legs with crit, mastery and three sockets. On the other hand, with legs and gloves dropping not just in this raid but from the Celestials on the Timeless Isle (not the Timless Isle, although I have not seen Tim out there yet) it's likely you'll have your 2 piece by the time you fight Malkorok, and thus, these legs won't be of much use to you.
Blood Rage Bracers - Parry/Expertise tank bracers, solidly itemized. Good for a warrior tank.