Changes to European refs
Two of the referees for European competition this week have been replaced.
Dave Pearson of England is injured and replaced by experienced Christophe Berdos of France for Sunday's Heineken Cup match between Muster and the Ospreys at Thomond Park.
Welshman David Jones is ill and is replaced by Andy Macpherson of Scotland for Saturday's Amlin Challenge Cup match between Femi-CZ Rovigo and Agen at Stadio Mario Battaglini in Rovigo.