From A Wiki of Ice and Fire
|Book||The Winds of Winter (appears)|
Marrigo is a pit fighter in Meereen.
The Winds of Winter
|| Warning |
This information has thus far been released in a sample chapter for The Winds of Winter, and might therefore not be in finalized form. Keep in mind that the content as described below is still subject to change.
Marrigo is spotted by Ser Barristan Selmy along with a hundred pit fighters about the Spire of Skulls when preparations are made to attack the Yunkish and their allies.