Chelsea manager Jose Mourinho says he knows why Bayern Munich manager Pep Guardiola is bald.
That's one explanation. Another could be that Guardiola is a 43-year-old man in a highly stressful line of work. But that doesn't leave much room for smack talk.
According to The Telegraph, this little feud started with a discussion about the optimal length of grass on a soccer pitch. Some people can be set off by just about anything.
- Dan Gartland