The tournament is in memory of France and Beziers prop, Armand Vaquerin, who won 27 caps for his country over a ten year period, lifting nine league titles with Beziers in the process.
The Warriors will play Castres on Saturday August 2 in Millau with a 7.00pm kick-off.
The tournament will conclude on Sunday August 9 in Camarès with Glasgow taking on Beziers (ko 4.00pm).
Also competing in the tournament will be USAP Perpignan, MHRC Montpellier, Mont de Marsan, Sale Sharks, Albi and Narbonne.