B ack in the 1990s, Nantes were defined by their distinctive playing style, le jeu à la Nantaise , characterised by flair and attacking thrust. There was substance in addition to the style, with the Loire club winning a league title and reaching a Champions League semi-finals. The modern-day incarnation are not distinguished by anything that happens on the pitch, but more by the way they have been managed. La gestion à la Nantaise has consisted of the implementation of a revolving-door policy when it comes to managers and, in the words of their current boss Vahid Halilhodzic, “improvisation and incompetence at every level”. It has the eight-time Ligue 1 champions staring down the barrel of relegation to Ligue 2. Those comments from Halilhodzic came back in 2021, two years after leaving Nantes which, incidentally, was his last gig in club management prior to his return in March. At 73, he became the oldest manager to lead a Ligue 1 side.…