Using Expected Goals stats from FootyStats and historical odds to find teams underrated by bookies. Backtested to try find best way to incorporate expected goals. Results- https://docs.google.com/spreadsheets/d/1XtOo-dUgZmHy_S_9LWLu5f8El5YrYpxesYLi1BuZl4I/edit?usp=sharing