Complex sentence: He started his career with Dafni BC and he spent most of the early part of his career with Panionios BC, winning the Greek Cup in 1991 where played on the same team with his brother Christos Christodoulou.
Split into simpler sentences: He started his career with Dafni BC and he spent most of the early part of his career with Panionios BC, winning the Greek Cup with them in the year 1991. With Panionios he played on the same team with his brother Christos Christodoulou.