Cheika warns of Castres threat
The former was the team that turned up at Thomond Park back in October with a virtual second-string side and yet came within two points of securing the greatest shock in the history of the tournament against the champions.
The latter famously conceded 13 tries and 92 points to Leinster in Dublin in the 2004-05 Heineken Cup when, like their opponents this weekend, their European ambitions had already been dealt an early, fatal blow.