ESPN FC’s Gab Marcotti and Julien Laurens (The Gab and Juls show) discuss how Thomas Tuchel has changed Chelsea after their 2-0 defeat of Arsenal in the Premier League. 0:00 The influence of Thomas Tuchel. 1:27 Chelsea’s squad depth. 2:46 How Tuchel changed Chelsea’s defence. 4:44 The importance of Mateo Kovacic to Chelsea vs. Arsenal. Subscribe to ESPN UK: http://bit.ly/1oGUzVA Follow ESPN UK across multiple platforms: https://en-gb.facebook.com/ESPNUK https://twitter.com/ESPNUK https://www.espn.co.uk/