Nigel Owens (Wales) will referee the clash of former champions when Leinster and Leicester Tigers meet in the Heineken Cup quarter-finals at the Aviva Stadium on Saturday, 9 April…

The leading Welsh official, who controlled the 2008 and 2009 Heineken Cup finals, will be in charge of his fifth tournament quarter-final and his 54th Heineken Cup match overall.

ERC, the tournament organisers, have announced the referee appointments with Leinster Rugby Referees official Alain Rolland (Ireland) getting the quarter-finals underway when he takes charge of the all-French contest between Perpignan and Toulon at Barcelona’s Olympic Stadium earlier on the Saturday.

Romain Poite (France) will referee his first Heineken Cup knock-out match when Northampton Saints and Ulster Rugby clash at stadium:mk in Milton Keynes in the first of the Sunday contests.

Wayne Barnes (England) will referee the other all-French affair between Biarritz Olympique and defending champions Toulouse at Estadio Anoeta in San Sebastian which will bring the curtain down on the quarter-finals.

HEINEKEN CUP 2010/11 QUARTER-FINALS
(All Kick-Offs LOCAL Time)

SATURDAY, 9 APRIL 2011
16.30 Perpignan v Toulon – Olympic Stadium, Barcelona – Alain Rolland (I)
FR2 / Canal+ / Sky Sports / Sky Italia

18.00 Leinster v Leicester Tigers – Aviva Stadium, Dublin – Nigel Owens (W)
Sky Sports / Canal+ Sport / Sky Italia / RTE* / ITV4*

SUNDAY, 10 APRIL 2011
14.00 Northampton Saints v Ulster Rugby – stadium:mk, Milton Keynes – Romain Poite (F)
Sky Sports / Sky Italia / RTE*

17.30 Biarritz Olympique v Toulouse – Estadio Anoeta, San Sebastian – Wayne Barnes (E)
FR2 / Sky Sports / Sky Italia

* Highlights

HEINEKEN CUP 2010/11 SEMI-FINALS
(To be played 30 April / 1 May)

The winner of the first named quarter-final in each pairing will have home country advantage:
Leinster or Leicester Tigers v Biarritz Olympique or Toulouse
Northampton Saints or Ulster Rugby v Perpignan or Toulon

THE 16th HEINEKEN CUP FINAL – SATURDAY, 21 MAY, 2011 – MILLENNIUM STADIUM, CARDIFF (17.00)