"If Liverpool haven't got the go, go, go, they don't have that much else," Giles said on Off the Ball.
"The three up front are usually very good at setting the pace, they didn't do it the other night.
"Manchester City reversed the intensity, it was very, very hectic at times."
"Henderson was poor, Alexander-Arnold was poor, Lovren was terrible," Giles added.
"That's the way I saw the Liverpool team."