Player performance Gregory Karlen (Karlen) is a midfielder ( box to box midfielder ) player born 30-Jan-95 in Switzerland. In the last 30 days Karlen played 5 minutes in 1 games of 3 in this period, 1 from the bench. Received no cards and did not score goals. Karlen list of appearances, cards and goals Europa League Qualifying 2019/2020 jersey #8