2012–13 UEFA Champions League knockout phase
The knockout phase of the 2012–13 UEFA Champions League began on 12 February and concluded on 25 May 2013 with the final at Wembley Stadium in London, England.The team that had the higher aggregate score over the two legs progressed to the next round.If away goals were also equal, then thirty minutes of extra time were played, divided into two fifteen-minutes halves.If no goals were scored during extra time, the tie was decided by a penalty shoot-out.A moment of silence was held before the Borussia Dortmund v Shakhtar Donetsk second leg to commemorate the victims of the crash of South Airlines Flight 8971, which had been filled mostly with football fans heading for the match.