Loris Karius

Manchester City meminjamkan Karius ke Mainz 05 pada Agustus 2011, di mana dia bermain untuk tim cadangan Mainz 05, Mainz 05 II, in the Regionalliga. On 11 January 2012, the move was made permanent with Karius committing himself to a two-year deal with an option for a third year that would extend his contract to June 2015.