Footballers from Glasgow Scotland youth international footballers Scotland under-21 international footballers Association football defenders Celtic F.C. players Greenock Morton F.C. players Dumbarton F.C. players Kilmarnock F.C. players Newcastle United F.C. players Philadelphia Union players Oxford United F.C. players Scottish Professional Football League players Scotland international footballers Scottish expatriate footballers Scottish expatriates in the United States Expatriate soccer players in the United States Major League Soccer players MLS Next Pro players Philadelphia Union II players