Complex sentence: In January 2005, he signed a 18 months deal with Arminia Bielefeld, having been without club for 6 months and signed in summer 2007, a two years deal with Grasshopper-Club Zürich.
Split into simpler sentences: In January 2005, he signed a 18 months deal with Arminia Bielefeld, having been without club for 6 months. In summer 2007, he signed a two years deal with Grasshopper-Club Zürich.