Fulham go to relegated Luton for Sunday's finale.
Silva said, "For them to fight until the end to stay up, shows how much they have improved. Their fans are proud of their team and you can see it every time they play.
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"It will be a really tough game for us. Even if they don't achieve it (safety), they are going to fight to the maximum - and this reflects Rob Edwards and his staff."
He added: "(Sasa) Lukic is going to be out and (Issa) Diop will be out too."