Poland forward Robert Lewandowski and Switzerland 's Xherdan Shaqiri will have another chance to brighten up the tournament when their teams clash in St. Etienne in the last 16 on Saturday .
Switzerland 's Xherdan Shaqiri have yet to shine at Euro 2016 .
Poland forward Robert Lewandowski and Switzerland 's Xherdan Shaqiri , who have yet to shine at Euro 2016 , will have another chance to brighten up the tournament when their teams clash in St. Etienne in the last 16 on Saturday .