Kieran Tierneys 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:,