The Daily Mail says Newcastle are stepping up their efforts to sign Bakker after making an offer of around £14.5million.
Newcastle have targeted the Holland international and the response has been positive.
Bakker only joined from Paris St Germain last summer in a deal worth up to £8m and Newcastle's offer would give Leverkusen a healthy and swift profit.
It's understood the Bundesliga side recognise the business sense of the deal and are willing to negotiate while 21-year old Bakker, who is represented by Mino Raiola, is keen to make the move to the Premier League.
Newcastle hope to make more headway over the deal on Thursday although it's unlikely that it could be done in time for the player to be registered for the weekend.
They continue to run a number of parallel negotiations for other targets.
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