Answer
The answer is no, Emre Mor has not played in Serie A during his career. Mor is a Turkish professional footballer who plays as a winger for Turkish club Fatih Karagümrük. He has previously played for Borussia Dortmund, Celta, Galatasaray, Olympiacos, and Fatih Karagümrük, all of which are outside of the Italian Serie A.