Sky Sports understands that Liverpool have agreed terms with Sunderland for England international midfielder Jordan Henderson.
The Reds have been locked in talks with their Premier League counterparts for several days after making their initial approach last week.
The two clubs have been haggling over the valuation of the 20-year-old, who will undergo a medical with the Merseyside giants on Wednesday.
It is understood that the deal that has been agreed is worth £20million and it will include David N'Gog moving in the opposite direction, subject to him agreeing terms on Wearside.
The French striker will hold talks with the North East club, while Henderson brokers his move to Anfield.
Henderson is due to link up with England Under-21 squad ahead of the European Championships which begins this weekend, and both clubs are eager for the move to be completed before then.
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