About 10 years ago, Maric, along with others, started a blog called Spielverlagerung where they analysed football games from a tactical perspective – in a quality that was never seen before. It was huge on football Twitter back in the day.

They’ve translated a few articles into English, something like this: https://spielverlagerung.com/2013/07/27/bayern-munich-fc-barcelona-in-depth/

And here’s an article from 2018 about his journey: https://www.theguardian.com/football/2018/sep/19/chatroom-bootroom-rene-maric-modern-coach-salzburg