Photo © ANDREW FOSKER / SECONDS LEFT IMAGES 2009 - Leinster's head coach Michael Cheika (far right -black jacket) argues with ERC officials as Quins' Nick Evans re-entered play after being replaced earlier in the game - Quins' Director of Rugby Dean Richards (far left arms folded) ignores the protests - Harlequins v Leinster - 12/04/09 - Heineken Cup - Twickenham Stoop - UK - All rights reserved