SOURCE: Photo Data-driven analytics is changing the game in the world of football. One of the hottest topics when it comes to assessing team performance is expected goals (xG). The concept was devised to help teams and analysts quantify the calibre of goalscoring chances created. Every chance is graded, with the most likely opportunities given the highest scores. At the end of a match, a team’s xG denotes how creative and how dominant they have been in the final third.…