Under ERC regulations, the eight teams who win places in the Heineken Cup quarter-finals can register two additional players in any position as well as replacing a front row forward with another player qualified to play in the front row. No additional player may have been represented in the match-day squad for any other team playing in any of this season's ERC tournaments. The following players were submitted for registration with ERC by the 21 March deadline.
LEINSTER LIONS
John McWeeney
Paddy Wallace
De-register Peter Smyth - replace with Brian Young
LEICESTER TIGERS
Craig McMullen
John Holtby
De-register Michael Holford - replace with Will Skinner
TOULOUSE
Sylvain Dupuy
Vincent Fourgues
De-register Nicolae Dima - replace with Frederic Marconato
LLANELLI
Bryn Griffiths
Tal Selley
De-register Adam Yelland - replace with Aled Gravelle
PERPIGNAN
Fabien Sanz
Julien Canal
NORTHAMPTON SAINTS
Bruce Reihana
Matthew Lord
MUNSTER
David Wallace
Richard Lane
BIARRITZ OLYMPIQUE
Martin Gaitan
Mathieu Diebolt
