Seattle Sounders youngsters Jordan Morris and Cristian Roldan were instrumental during the club's march to the MLS Cup title, which they won last weekend in Toronto after beating TFC on penalty kicks. The two 21-year-old starters upped their stock considerably during the Sounders championship run, making them shoo-ins for January's extended U.S. camp -- the first roster new national team coach Bruce Arena will convene since taking over from Jurgen Klinsmann last month. With the domestic season now over, though, it's time to turn our attention to American prospects plying their trade overseas by checking in on their progress at the European season's midway point. Here are updates on 10 U.S. blue-chippers who are also hoping to impress Arena as the calendar flips into a pivotal 2017.