🤣 Kieran Tierney’s new nickname! | Arsenal train ahead of the north London derby

See how Mikel Arteta has been preparing his side for Sunday’s north London derby against Tottenham - and find out what the coaches are now calling Kieran Tierney! For more match action, highlights and training videos, make sure you become a digital member and sign up to Arsenal Player. It’s FREE and is the Home of the Game: Subscribe to the Official Arsenal YouTube Channel: Follow us on Facebook: Follow us on Twitter: https:/