The Chelsea left-back, who scored a spectacular free-kick goal over the weekend, only had positive things to say about the Belgian.
After winning the UEFA Super Cup in the midweek over Villarreal, Chelsea started the new Premier League season with a 3-0 win.
Chelsea began their Premier League campaign with style, beating Crystal Palace 3-0 at Stamford Bridge on Saturday (August 14).
Manchester City were beaten 2-1 by Chelsea at Etihad stadium on Saturday courtesy of second half goals from Hakim Ziyech and Marcos Alonso.