[Getty Images]Robert Earnshaw reckons old club Cardiff City are facing two of their "biggest games ever" as they fight to stay in the Championship.Second-bottom Cardiff are three points adrift of safety heading into the final week of a miserable season.Caretaker boss Aaron Ramsey's side host West Bromwich Albion on Saturday before a final-day trip to Norwich City.Realistically, they need a minimum of four points from the two games to have any chance of avoiding the drop – but it could be t