Arsenal are on course to break one of the most impressive records in Premier League historyBy Opta AnalystIn an era when human performance and sports science continue to advance at a remarkable pace, there are very few football records that remain truly untouchable. But Chelsea’s 2004-05 Premier League campaign remains one of the great exceptions. José Mourinho’s side conceded only 15 goals on their way to winning the title, a record that has stood unchallenged for two decades.No team has come close since. Chelsea themselves conceded 22 times the following season and, along with Manchester United in 2007-08 and Liverpool in 2018-19, came closest to the magical 15 number. But even then, those three teams were still seven goals shy. Continue reading...