Complex sentence: Nikopolidis made his first steps at his local team of Anagennisi Artas, from which he was transferred to Panathinaikos in the summer of 1989, where he was a back-up for Józef Wandzik.
Split into simpler sentences: Nikopolidis made his first steps at his local team of Anagennisi Artas, from which he was transferred to Panathinaikos in the summer of 1989. In his first years as a Panathinaikos player he was a back-up for Józef Wandzik.