Here is a list of the loot dropped in The Ring of Law. (BRD Arena)

The arena has six different bosses that can drop loot. Hopefully this list helps you guys out.

Gorosh the Dervish

The Gladiator set is his most notable drop

• Savage Gladiator Helm
• Savage Gladiator Chain
• Savage Gladiator Leggings
• Savage Gladiator Greaves
• Savage Gladiator Grips

Although less noteworthy than the Gladiator set, he can drop these too.

• Leggings of Frenzied Magic
• Bloodclot Band
• Flarethorn

Anub’Shiah

Anub’shiah doesn’t have a very large loot table, these are his drops.

• Carapace of Anub’shiah
• Graverot Cape
• Shadefiend Boots
• Savage Gladiator Greaves

Ok’thor the Breaker

Ok’thor has three notable drops

• Ban’thok Sash
• Ogreseer Fists
• Cyclopean Band

Eviscerator

Eviscerator also has only three noteworthy drops.

• Splinthide Shoulders
• Rubicund Armguards
• Girdle of Beastial Fury

Grizzle

Grizzle boasts one of the larger loot tables out of the 6 Arena bosses.

• Dregmetal Spaulders
• Stonewall Girdle
• Entrenching Boots
• Grizzle’s Skinner
• Plans: Dark Iron Pulverizer

Hedrum the Creeper

Hedrum also has 3 noteworthy items

• Spiderfang Carapace
• Silkweb Gloves
• https://classic.wowhead.com/item=11635/hookfang-shanker