The 40-year old Welsh midfielder controlled proceedings for the Red Devils in the middle of the pitch as they defeated Olympiakos 3-0 in the Champions League Round of 16 second leg on Wednesday night.
Giggs played a part in both of Robin van Persie's opening two goals before the Dutchman added a third and his display was certainly not lost on a very chuffed Moyes.
"I thought Giggsy was fantastic," he told Sky Sports.
"The passes he made for the two goals, his general play - more importantly his general fitness. Sometimes you think he'll need to come off after 60 minutes but he's a freak. He's something different.
"It was a big night, we needed it. It was off the back of a bad result and I thought we needed his experience and he showed it."
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