Mikel Merino undergoing Newcastle medical ahead of move from Borussia Dortmund

Borussia Dortmund midfielder Mikel Merino is undergoing a medical in the north east ahead of a move to Newcastle, according to Sky sources.

Sky Sports News understands the Spain U21 international is set to join the Magpies on a season-long loan with a view to a permanent move next summer.

If he passes a medical and agrees personal terms, Merino will become manager Rafa Benitez's fifth summer signing following the arrivals of Christian Atsu, Florian Lejeune, Jacob Murphy and Javier Manquillo at St James' Park.