The champions are now 5-1 on with the bookies to retain their title, and The Sun quoted Zola as saying: "They have everything. We have been beaten by probably the best team in the world.
"They punished our only mistake in a very professional way. I knew it would be difficult for us if they scored first. I did not expect them to be so good defensively. I knew they would be good offensively. They are just getting stronger. Not many teams will beat us here. They were great," he added. Arsenal were dubbed the Invincibles after completing the entire 2003-4 season without losing a game.
Veteran Giggs, 35, claimed his first league goal of the campaign with an uncharacteristic right-foot shot and it means he has now scored in all 17 Premier League seasons.
United boss Alex Ferguson said: "I am searching my memory banks for the last time Ryan scored with his right foot. I always felt one goal would be enough. It was a fantastic performance from the back four.
"Ryan is a credit to the game and if anyone wants an example of how to dedicate themselves to football, you could have no greater example than Ryan Giggs," he added.
Zola, however, said that he was happy for his team.
"It has been another step forward for us even though we lost the game. I am sure it won't be easy for anybody else here. They just punished the only mistake we made. Our goalkeeper only made one save. When you can win games like this you are very strong," he said.&13;&13;