Following a back injury which kept him out from August 1994 to February 1995,[2] Beck scored in each of his first five games after recovery, and he received his first call-up for the Danish national team in May 1995.
He scored three goals in his first six national team games and was subsequently voted the 1995 Danish Sports Talent of the Year.
During his last year at Middlesbrough, and through the rest of his time in England, Beck had lost his place in the Danish national team.
At AaB, he scored eight goals in ten matches and led the team to the Danish Cup final, gaining an international recall for Euro 2000.
[8] Unhappy with Lille coach Vahid Halilhodžić's principle of rotating the players, Beck went on loan to AaB once again in February 2002.
[9] Despite hoping to be called up to the Danish national team for the 2002 World Cup, Beck was injured in the months before the tournament and was not considered for the squad.
The second time was in 2022 when The Football Association suspended and fined him because he had represented Brighton & Hove Albion as well as Mathew Ryan when the latter changed from Valencia CF in 2017.