Red/Maroon

Cruel Gladiator's Scaled Breastplate (Horde)
Source: Vendor
Ferocious Gladiator's Scaled Breastplate
Spiked Titansteel Helm
Source: Crafting
Helm of the Crestfallen Challenger
Infection Repulser
Source: Naxxramas
The Widow's Embrace
The Impossible Dream
Source: Naxxramas
Wall of Terror
Source: Naxxramas
Shield of Uncurbed Appetite
Source: Quest
Layered Bone Shield
Source: Vendor
Vile Protector
Source: Quest
Crystal Plated Vanguard (Normal)
Source: Trial of the Crusader
Crystal Plated Vanguard, Skyguardian's Shield
Ogri'la Aegis
Source: Vendor
Landslide Buckler
Source: Quest
Ancient Draenei Crest
Shield of Mockery (Mythic)
Source: Siege of Orgrimmar
Visage of the Monstrous
Crest of Supremacy
Source: Sunken Temple
Field Plate Shield
Hero's Buckler
Source: World Drop
Malistar's Defender
Source: Molten Core
Merciless Shield
Source: World Drop
Cutthroat's Buckler, Farstrider's Buckler
Bloodlust Buckler
Source: World Drop
Demon Guard
Corruption
Source: Crafting
Tyrannical Gladiator's Greatsword (Horde)
Source: Vendor
Tyrannical Gladiator's Greatsword