On Keita, who celebrates his 24th birthday on Sunday, Robertson told liverpoolfc.com: “He's young and he's had to take time. But if you look at all of us, Fabinho had to take time, me, Chambo.
“There's a kind of pattern emerging that you need to settle in and you need to learn the way to play and things like that.
“I think everyone forgets how young Naby is – 24 tomorrow, he's only a young boy. He's a fantastic player and the more he shows it the more people will start talking about him.
“I thought today he was a different class. I'm sure his confidence will be sky high after today."