Season after season in the Premier League, two of the biggest topics of debate involve refereeing and goalkeeping. We've already written about one of those two debates in our rant about the handball rule at the beginning of the season, and now it's time to examine the good and the bad of the Premier League's goalkeepers this season. Jordan Pickford, David De Gea and Alisson have all received criticism and attention for their recent performances, but this article attempts to assess how these players have actually performed, using data analytics. This is our analysis of the five best and worst goalkeepers in the league this season, utilizing saves per goal conceded as a statistical metric for our assessment.