Aston Villa goalkeeper Brad Guzan was outstanding for their 0-0 draw with West Ham United.
Guzan had produced a couple of good reaction stops before saving his best for the dying stages, when Villa were under siege from an aerial bombardment.
"That is what he's paid for - and he is over-paid," said Lambert.
"To be fair, his save at the end was top class, and he is a great guy and a top pro. I am delighted for him."
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