Liverpool manager Jurgen Klopp has revealed Luis Diaz's substitution in the Carabao Cup final win over Chelsea was down to fatigue.
The Colombian, signed from Porto last month, was withdrawn in the first-half of extra-time.
Diaz has been hugely impressive since joining Liverpool, and Klopp hopes he can continue his form.
Asked if the substitution was just due to fatigue, Klopp replied: "Just' fatigue? Fatigue is enough. Yeah, he did really well [in the final].
"We need this kind of quality obviously and, how we said before, we didn't confuse him too much with too much information. He knows how we want to play and how he has to play and he's doing really well.
"You are right: for a start, incredibly well. I don't think too much about it but just hope it will stay like this as long as possible, or forever in the best case. He had nothing, we just took him off because we saw he got tired.
"He was tired earlier but he was still fighting really hard. It was an incredibly intense game, I have to say.
"I'm not sure I saw a final like this. OK, when one team is up then obviously why should it be intense when one team is managing the game and the other one is chasing it. In this game both teams were going for it. The intensity was absolutely insane."
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