Liverpool’s high defensive line always means that one mistake could be fatal if a pacey striker gets in behind, so alarm bells were ringing when Rhys Williams failed to cut out a through ball to Marcus Rashford.
The Man United striker still has plenty to do, but he does just enough to get it past Alisson and United find themselves 2-1 up.
It’s gutting for the young Liverpool defender because this was a serious chance to impress, while it might also be enough to push Klopp into the market for a defensive signing before the window closes.
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