With 12 teams split into three groups at U21 EURO, only one runner-up will join the pool winners in the semi-finals. What criteria will be used to separate the trio of second-placed teams?a) higher number of points;b) superior goal difference;c) higher number of goals scored;d) lower disciplinary points total based only on yellow and red cards received in all group matches (red card = 3 points, yellow card = 1 point, expulsion for two yellow cards in one match = 3 points);e) position in the UEFA Under-21 national team coefficient ranking for the final draw.This is according to Article 18.03 of the Re... UEFA.com - News