Answer
Asteras Tripolis was Kostas Fortounis's club before he joined Olympiacos. Fortounis, a Greek professional footballer, began his career at Trikala in 2009. In 2011, he moved to Asteras Tripolis, where he spent three seasons before joining Olympiacos in 2014. With Olympiacos, Fortounis has won several domestic titles and has also represented Greece at the international level.