NEC Harlequins make seven changes to the side that started against London Wasps in the Zurich Premiership last Sunday for the Heineken Cup tie against Castres Olympique at Stade Pierre Antoine this afternoon.

Ireland international Ronan O’Gara became the Heineken Cup’s leading points scorer as Munster gained full revenge on Castres, scoring five tries in a 36-8 Pool Four triumph at Thomond Park.

Bath 30, Wasps 48

Munster 28 Castres 23