As the Xhaka brothers prepare to face each other, we look at other siblings who have collided on the pitch.
Islam Slimani was the Leicester hero as the Foxes beat Porto to move a step closer to the Champions League knockout stages.
Marc-Andre ter Stegen says it will be a very special moment when he returns to face his former club Borussia Monchengladbach.
Atletico Madrid manager Diego Simeone has refused to claim the plaudits for Antoine Griezmann's rise to stardom at Atletico Madrid.
Celtic head coach Brendan Rodgers looks ahead to hosting Manchester City in UEFA Champions League Group C.
Son Heung-Min scored his fifth goal in five games to help Tottenham Hotspur seal a 1-0 win in Russia against CSKA Moscow.