"Irrespective of his position, Steven has done more for Liverpool in the past few seasons than any other player has done anywhere," said King Kenny.
"Never mind Ronaldhino for Barcelona or Thierry Henry for Arsenal, Steven has done more for his team and contributed more than anyone else.
"When you have got fantastic ability and you ally that with his courage and belief, that is one hell of an ingredient.
"You talk about leading by example but that on Saturday was over and above the call of duty. And really he's such a young guy. It's unbelievable.
"The last time he was in Cardiff there was disappointment for him because of the own goal against Chelsea but Saturday was his day all right.
"I couldn't believe how far out he was when he hit his second goal. The whole game was just like Istanbul all over again, with Reina saving the penalties just as Dudek did.
"I think he will get better because he is still young and can improve in the years ahead of him.
"Also he is settled now. He's said himself he doesn't want any more of this nonsense about him staying or leaving Liverpool.
"He's here for good and that is good for him and obviously great news for Liverpool and the supporters."