Arturo Vidal (1st L) and Mats Hummels(1st R) of Bayern Munich vie with Theo Walcott(2nd L) of Arsenal during the UEFA Champions League Round of 16 second leg match between Arsenal and Bayern Munich in London, Britain on March 7, 2017. Bayern Munich won 5-1 and advanced to the quarterfinal with 10-2 on aggregate. (Xinhua/Tim Ireland)