Measurement Matters: Validating the MLS Castrol Index at the Team Level

By Benjamin Leinwand and Chris Anderson

Prior to the start of the 2011 season, Major League Soccer teamed up with the Castrol Index to deliver a more statistically advanced version of the match day player ratings. According to the creators, "the Castrol Index objectively analyses player performance, tracking every move on the field and assessing whether it has a positive or negative impact on a team's ability to score or concede a goal.

Read the full article at Soccer Quantified.

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