Harlequins v Leinster - Heineken Cup Quarter Final

LONDON - APRIL 12: Nick Evans (2ndL) of Harlequins is brought back onto the field to replace the injured Tom Williams as referee Nigel Owens talks to Harlequins Coach Dean Richards (R) and Leinster officials during the Heineken Cup Quarter Final match between Harlequins and Leinster at the Stoop on April 12, 2009 in Twickenham, England. (Photo by David Rogers/Getty Images)