Table A1

Complete feature set

CategoryFeatureData TypeDescription
DemographicsAgeNumericalThe age of a player in a given season
Nation groupCategoricalAll countries are regrouped into 11 labels (France, Italy, England, Germany, Brazil, Argentina, Belgium, Spain, Netherland, Portugal, other countries)
MarketTeam ratingNumericalThe average overall rating of all players in each club
LeagueCategoricalThe league a club belongs to
Contract remainingNumericalThe number of remaining year(s) in each player’s contract
PopularityInternational reputationNumericalThe higher the rating the more famous the player is
SeniorityGamesNumericalThe number of games a player appears
MinutesNumericalThe number of minutes a player appears
Physiological AttributeAccelerationNumericalThe higher the rating, the shorter the time needed to reach the maximum sprint speed
Spring speedNumericalThe higher the rating, the faster the player runs while in full speed
AgilityNumericalThe higher the rating, the more agile the player is while moving or turning
ReactionsNumericalThe higher the rating, the more quickly the player is responding to a situation around him
BalanceNumericalThe higher the rating, the more easily the player is able to maintain balance when facing physical challenges
StaminaNumericalHigh stamina rating means longer time the player can spend sprinting during a game as well as shorter recovery time
 JumpingNumericalThe higher the rating, the higher the player can jump to win aerial balls
StrengthNumericalThe higher the rating the more physically strong the player is
Injury riskCategoricalThe chance of a player being injured (e.g. low, medium, high)
Psychological AttributeAggressionNumericalThe higher the rating, the more successful tackles and more fouls a player is to commit
ComposureNumericalThe higher the rating, the better the players perform under pressure
VisionNumericalThe higher the rating, the greater the player’s awareness of the position of teammates and opponents is
PositioningNumericalThe higher the rating, the more likely a player is to occupy advantageous positions for receiving the ball and attacking the opponent’s goal
Soccer Performance Metrics and Technical SkillsPosition categoryCategoricalThe general position category of a player
GoalsNumericalThe number of goals a player scores
xgNumericalThe number of goals a player would have scored given the opportunities (i.e. expected goals)
AssistsNumericalThe number of assists a player makes
xaNumericalThe number of assists a player would have made given the opportunities (i.e. expected assists)
Red cardsNumericalThe number of red cards a player receives
Yellow cardsNumericalThe number of yellow cards a player receives
Tackles wonNumericalThe number of tackles a player wins
Pressure regainNumericalThe number of possessions a player regains after applying pressure
BlocksNumericalThe number of incoming shots a player stops
InterceptionsNumericalThe number of the opposing team’s passes a player catches
ClearanceNumericalThe number of kicks by a player to get the ball away from the danger area
FoulsNumericalThe number of fouls a player commits
FouledNumericalThe number of fouls a player causes the opposing team to commit
Long shotsNumericalThe higher the rating, the more accurate shots from outside the box are
Shot powerNumericalThe higher the rating, the harder the player hit the ball while still keeping a shot accurate
PenaltiesNumericalHigh penalties rating means the player is good at taking penalties
Heading accuracyNumericalThe higher the rating, the more accurate a headed pass or header at goal is going to be
VolleysNumericalHigh volley rating means accurate shots taken while the ball is in air
Free kick accuracyNumericalThe higher the rating the better the accuracy of a direct free kick on goal
 Short passingNumericalThe higher the rating, the faster and more accurate the short or ground pass will be
Long passingNumericalThe higher the rating, the faster and more accurate the long pass in the air will be
DribblingNumericalA high dribbling rating means the player will be able to keep better possession of the ball whilst dribbling
CurveNumericalThe higher the rating the more curl the player is capable of putting on the ball when passing and shooting
CrossingNumericalHigh crossing rating means high probability of a medium or long-range pass from a wide area of the field towards the center of the opponent’s box finding the teammate and circumventing the opponents
Ball controlNumericalThe higher the rating, the less likely the ball is to bounce away from the player after receiving it
Standing tackleNumericalThe higher the rating, the more likely the player is to perform a standing tackle without committing a foul
Sliding tackleNumericalThe higher the rating, the more likely the player is to perform a sliding tackle without committing a foul
MarkingNumericalThe higher the rating, the more easily the player can track and defend an opposing player
Weak footNumericalWeak foot is defined as the player’s foot other than the preferred foot. High weak foot rating means higher shot power and better ball control for the weak foot of that player
gk_kickingNumericalGoalkeeper’s ability to distribute long and accurate goal kicks, from out of the hands or on the ground
gk_positioningNumericalGoalkeeper’s ability to position himself correctly when saving shots or reacting to crosses
gk_reflexesNumericalGoalkeeper’s agility when making a save
gk_divingNumericalGoalkeeper’s ability to make a save whilst diving through the air
gk_handlingNumericalGoalkeeper’s ability to catch the ball and hold onto it
Source(s): Created by the authors
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