sentences:  Billie Nielsen changed from number 9 to his favorite number 14 before the 2014 season.In 2014, Rosenborg sold Nielsen for an undisclosed amount to the French club Evian Thonon Gaillard F.C.. During his Rosenborg career, he had scored 24 goals in 50 games.On 1 July 2015, he signed a three-year contract with Esbjerg fB, but his time at Esbjerg was never a success.