Career
FSV Mainz 05 II on loan from Bayer Leverkusen. Club Wagener has been the captain of the Bayer Leverkusen Under-19 team He made his competitive debut for Bayer Leverkusen during the 2013-2014 Union of European Football Associations Champions League campaign against Paris Saint-Germain when he came on as a substitute on 12 March 2014.
On 1 September 2014, 3.
Liga side VfL Osnabrück announced that they had loaned him from Bayer Leverkusen for the current season until summer 2015. The deal had been possible and quickly doable by the good relationship between the clubs.