"There has been a trend to play one up front with a man floating in behind but that can make things difficult for the man at the head of the team. He will often find himself with two men, possibly even three, keeping him under wraps.
"Once you have two strikers working in tandem, though, the dynamics completely change and doubts begin to creep into defenders' minds.
"That's when a partnership really works. When it is two against two, the odds are in favour of the strikers, especially if they are top players like Liverpool's pairing."
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