Since taking charge midway through the 2018/19 season, Julien Stéphan has completely changed the course of Stade Rennais Football Club. Having spent the past three years managing Rennes’s B team, Stéphan replaced Sabri Lamouchi on December 3, 2018, when the Brittany club were 17th in Ligue 1. After a string of victories which saw Rennes…