Davidson flew into England yesterday for a medical after the Baggies made a breakthrough in their talks with Dutch club Heracles Almelo, says the Express & Star.
And the Baggies were last night tying up the loose ends of the 23-year-old's move.
Davidson's move to the Premier League was expected to cost the Baggies a nominal fee to break the impasse in his contract dispute with Heracles.
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