 On 29 May 2013, he made his senior international debut for Germany in a friendly game against Ecuador in Boca Raton, Florida.On 8 May 2014, Sam was named to the 30-man provisional squad for the 2014 FIFA World Cup by German national team manager, Joachim Löw.Sam has been likened by observers in German football to the Dutch winger Arjen Robben of Bayern Munich, due to his explosive speed and dribbling style and possibly due to his frequent deployment on the right-wing and as an outside forward, cutting inside on his favoured left-foot to unleash his fierce shots, which leads to him scoring spectacular long-range goals.