Photo © ANDREW FOSKER / SECONDS LEFT IMAGES 2009 - Leinster's head coach Michael Cheika (right -black jacket) argues with ERC officials who try and calm him after Quins' Nick Evans re-entered play for a blood replacement after being replaced earlier in the game himself - Harlequins v Leinster - 12/04/09 - Heineken Cup - Twickenham Stoop - UK - All rights reserved