Dortmund , which was beaten in last season 's final by Bayern , will travel to Russia to take on Zenit St Petersburg in the first leg . Manchester City will face Barcelona in standout clash . Defending champion Bayern Munich will play Arsenal . Manchester United takes on Chelsea . Real Madrid paired with German club Schalke .
Manchester City will face Barcelona in standout clash . Defending champion Bayern Munich will play Arsenal . Manchester United takes on Chelsea . Real Madrid paired with German club Schalke .