The Premier League sides are ready to go head to head in the January transfer window to sign the £2million-rated Dutch star.
The 26-year-old has scored seven goals in 16 Championships starts for Swansea this season.
The Premier League sides are ready to go head to head in the January transfer window to sign the £2million-rated Dutch star.
The 26-year-old has scored seven goals in 16 Championships starts for Swansea this season.
