Table 1.

Variables studied in the Spanish League 2008-2009.

Group of variables	Variables or game statistics or performance indicators
Variables related to goals scored	Goals Scored, Total Shots; Shots on Goal.
Variables related to offense	Attacking moves, Box moves, Crosses, Offsides committed, Losses of possession, Fouls received, Assists, Passes Made, Successful Passes Made, Dribbles, Successful Dribbles, Ball possession.
Variables related to defence	Gains of possession, Fouls committed, Yellow cards, Red cards, Clearances.