WATCH: Per Mertesacker insists it's not all over for Arsenal
Gunners defender defiant after his are hammered 5-1 at Bayern Munich
"It's not over!" @mertesacker tells @DesKellyBTS that @Arsenal need to bounce back quickly. #UCL https://t.co/RBq5MDZJit
— BT Sport Football (@btsportfootball) November 4, 2015