Klopp was thrust into the job at Mainz, taking over the day before his first game in management and with the club struggling in the relegation zone. “Be cool, everything will be fine!” would be his advice now for his 33-year-old self as he sits down to speak to us inside his new home of the AXA Training Centre in Kirkby. “Nice isn’t it!” he says with his big, infectious smile. “The pitches are...