Bayonne's Uzair Cassiem fully aware of Munster’s threat

“I’ve played there a few times with Scarlets and the Cheetahs and every time it's been very cold, very tough," he said.

Jack O'Sullivan is tackled by Uzair Cassiem during his time at Scarlets.  Photo by Ramsey Cardy/Sportsfile

Bayonne enter uncharted rugby territory this weekend, as they make their Champions Cup debut against Munster at Thomond Park.

The Top 14 side qualified for the competition via an impressive eighth-place finish in their first season back in the French top flight – just missing out on becoming the first side since Racing 92 in 2009 to go from promotion to play-offs in a single campaign.