Football management is an area I’m continually intrigued by in order to try to understand what exact leadership qualities make it work, and what influence external factors have. The Ferguson/Moyes/Van Gaal/Mourinho story keeps me going still – fascinating, whether football is your thing or not. 
And this article from the BBC is worth reading for others’ ideas on what we might learn from football managers: What can football managers teach business? (BBC News 13 August 2016).