Robert Lewandowski has enjoyed a brilliant third season with Barcelona, reuniting with Hansi Flick to help spearhead his side's domestic double.He's finishing the campaign in style away to Athletic

Barça could use a striker before next season to complement and eventually replace Robert Lewandowski, who is soon going to turn 37. At 26 years of age, Isak has long-term upside and is of proven quality, having previously starred for Real Sociedad in La Liga before moving to England.

A rapid pair of goals by Robert Lewandowski early in the first half and a penalty by Dani Olmo deep in added time ensured a comfortable 3-0 victory for Barcelona over Athletic Bilbao on Sunday, ending the season on a high note for the LaLiga champions.