Jose Mourinho’s men have allowed the fewest expected goals (xG) in all of Europe’s top five leagues.
The Italians have surpassed giants Barcelona, Athletic Club, Real Sociedad, Bayern Munich, and Manchester City.
According to AS Roma Data, the backline of Chris Smalling, Roger Ibanez, Gianluca Mancini, and Rui Patricio has only allowed 12.9 xG in 19 games this season, which equates to 0.67 xG per 90 minutes.
