Touch - Possession less than 0.5 seconds
Short - Possession between 0.5 - 1.5 seconds
Long - Possession greater than 1.5 seconds
Walking - a player moving less than 3.7 mph
Jogging - a player moving between 3.7 and 12.4 mph
Sprinting - a player moving greater than 12.4 mph
Optical tracking data is not currently available for every Major League Soccer match for the 2009 season. Player and team leaders represent only those who have participated in games that have been tracked by the SportVU tracking system.