The football world has acknowledged the loss of Gérard Houllier, the former Liverpool manager, who died on Monday aged 73. ‘A great coach, but a human being who gave you a really warm feeling when you were around him,’ said the current Liverpool manager Jürgen Klopp. Stiliyan Petrov, who played under Houllier during his time at Aston Villa, noted ‘he was a man who wakes up and who goes to bed with football … You want more people like Gérard’