The Castrol Index is the Official Performance Index of Major League Soccer. Castrol's team of performance analysts will use the latest technology to objectively analyze every match in the 2011 MLS season, logging an average of 1800 player movements per match.
The Castrol Index tracks every move on the field and assesses whether it has a positive or negative impact on a team's ability to score or concede a goal and a key factor for all areas of performance in the Castrol Index is which zone on the pitch the action takes place.
Castrol's team of performance analysts crunch all the data and award each player a Castrol Index score out of 10 to determine the best performing players in the MLS.