• Fellow centre-half Sokratis also went off with leg injury• Defenders Hector Bellerin and Rob Holding out for seasonUnai Emery lamented Arsenal’s worsening defensive injury crisis as Laurent Koscielny suffered a suspected broken jaw during their 3-1 defeat at the hands of a vibrant Manchester United.“Koscielny is going to hospital for analysis, maybe a break,” Emery said with an expression that suggested he feared the worst. This comes a week after Héctor Bellerín joined Rob Holding in being out for the season and beyond after suffering a cruciate ligament injury. Arsenal lost both centre halves during the game as Sokratis Papastathopoulos j...