To ensure that clubs will be able to select the strongest possible match day squads in the current circumstances, there was no limit to the number of players each club was permitted to register.

Subject to relevant union approval, the following players have been nominated to supplement each club’s tournament squad:

ASM CLERMONT AUVERGNE
Joel Everson (second row), Reinach Venter (hooker)

BORDEAUX-BEGLES
Thomas Jolmes (second row)

BRISTOL BEARS
Stephen Kerins (scrum half), Tadgh McElroy (hooker), Nahuel Tetaz Chapparo (prop)

EDINBURGH RUGBY
Abram ‘Boan’ Venter (prop)

EXETER CHIEFS
Dan John (full back/wing), Max Northcote-Green (back row), Christ Tshiunza (second row)

GLOUCESTER RUGBY
Santiago Carreras (full back/wing), Giorgi Kveseladze (centre), Conor Maguire (prop), Bryan O’Connor (prop), Santiago Socino (hooker)

LEINSTER RUGBY
Greg McGrath (prop), Jamie Osborne (centre)

LYON
Temo Mayanavanua (second row), Hugo Ndiaye (prop), Jordan Taufua (back row)

MUNSTER RUGBY
Ethan Coughlan (scrum half), Cian Hurley (second row/back row), Paddy Patterson (scrum half)

RACING 92
Emiliano Boffelli (utility back), Arthur Bruges (flanker), Anthime Hemery (No 8)

RC TOULON
Adrien Warion (second row), Rudi Wulf (centre/wing)

SALE SHARKS
Rouban Birch (second row)

SCARLETS
Danny Drake (back row), Eddie James (centre), Callum Morris (scrum half), Sam O’Connor (prop)

TOULOUSE
Juan Cruz Mallía (centre/wing)

In advance of the resumption of the 2020/21 Heineken Champions Cup, the 16 clubs which have qualified for the knockout stage of the tournament have registered their updated squads.