CNN World Sport’s Amanda Davies discusses the Gunners’ victory at Old Trafford with CNN Senior Sports Analyst Darren Lewis.

Both Ruben Amorim and Mikel Arteta were hoping for a big win to kick-start their new campaign, and Arteta got it. But Amorim will perhaps go home the happier of the two managers given how well his new-look team played. Here’s what we learned from a feisty Manchester United vs Arsenal clash at Old Trafford.