Match officials to May 1

It's semi-final time in both Heineken Cup and Amlin Challenge Cup competitions, with Dave Pearson and George Clancy getting the nod.

We have the semi-final stage of both Heineken Cup and Amlin Challenge Cup tournaments this week, with Dave Pearson and George Clancy involved.

Heineken Cup – Semi-Finals

Leinster vs Toulouse at Aviva Stadium
Referee: Dave Pearson (England)
Assistant referees: Wayne Barnes (England), Stuart Terheege (England)
Timekeeper: Graham Hughes (England)

Northampton vs Perpignan at stadium:mk
Referee: George Clancy (Ireland)
Assistant referees: Alain Rolland (Ireland). Simon McDowell (Ireland)
Television match official: Tony Redmond (Ireland)
Timekeeper: :Brian Abrahams (England)

Amlin Challenge Cup – Semi-Finals

Stade Français vs Clermont Auvergne at Stade Charlety
Referee: Nigel Owens (Wales)
Assistant referees: Alan Lewis (Ireland), Tim Hayes (Wales)

Munster vs Harlequins at Thomond Park
Referee: Romain Poite (France)
Assistant referees: Christophe Berdos (France), Jérôme Garces (France)

Super 15, Week 11

Highlanders vs Blues in Dunedin
Referee: Chris Pollock (New Zealand)
Assistant referees: Garratt Williamson (New Zealand), Kane McBride (New Zealand)
Television match official: Ben Skeen (New Zealand)

Cheetahs vs Brumbies in Bloemfontein
Referee: Marius Jonker (South Africa)
Assistant referees: Pro Legoete (South Africa), Cobus Wessels (South Africa)
Television match official: Johann Meuwesen (South Africa)

Hurricanes vs Reds in Wellington
Referee: Keith Brown (New Zealand)
Assistant referees: Glen Jackson (New Zealand), James McPhail (New Zealand)
Television match official: Mike Fraser (New Zealand)

Waratahs vs Rebels in Sydney
Referee: Jonathan Kaplan (South Africa)
Assistant referees: Stuart Dickinson (Australia), James Leckie (Australia)
Television match official: Matt Goddard (Australia)

Force vs Crusaders in Perth
Referee: Vinny Munro (New Zealand)
Assistant referees: Nathan Pearce (Australia), Julian Pritchard (Australia)
Television match official: George Ayoub (Australia)

Bulls vs Chiefs in Pretoria
Referee: Craig Joubert (South Africa)
Assistant referees: Tiaan Jonker (South Africa), Marc van Zyl (South Africa)
Television match official: Gerrie Coetzee (South Africa)

Stormers vs Sharks at Newlands
Referee: Jaco Peyper (South Africa)
Assistant referees: Christie du Preez (South Africa), Phillip Bosch (South Africa)
Television match official: Shaun Veldsman (South Africa)

Magners League, Round 11

Dragons vs Cardiff Blues at Rodney Parade
Referee: James Jones (Wales)
Assistant Referees: David Jones (Wales), Hugh Watkins (Wales)