ESPN’s Ryan O’Hanlon writes that Liverpool’s Mo Salah is the reigning top attacker in the Premier League…
However, given the heights Salah hit the previous season, tying for the league-lead in goals+assists isn't enough to cost him the throne. While standard expected goals models just take into account the location of a shot, TruMedia has a post-shot xG model that adds or subtracts value from a shot based on where it was put on the goal frame. (Shots that miss the net get a big ol' zero.) According to this data, Salah led the league with 24.06 xG (on 22 goals), while no one else was above 20, and Aguero was down at 16.69 (on 21 goals).
Put another way: The main reason Salah didn't score more goals was that opposing keepers consistently stood on their heads when he shot the ball.
Full article: ESPN.com