統(tǒng)計對象：本賽季上場時間超過225min，時間截止至2023.2.2。

Expected Goals (xG)：measures the quality of a shot based on several variables such as assist type, shot angle and distance from goal, whether it was a headed shot and whether it was defined as a big chance. Adding up a player or team's expected goals can give us an indication of how many goals a player or team should have scored on average, given the shots they have taken.

Expected Assists (xA)：A measure of pass quality, showing the likelihood that a pass will be a primary assist. The model is based on the finishing location of the pass, what type of pass it was and a variety of other factors. This model is not reliant on whether a shot was taken from this pass, so credits all passes, regardless of whether they result in a shot.

Chances Created：A measure of the number of times a player assists a shot (including goals).

Attack contribution：non-penalty shots + open play chances created.

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