Additional Position Points
In Super Club Soccer, you gain position points by playing matches in those positions. When creating your player, you will have 100% familiarity in one position. Some positions and builds will give you a boost in other positions. See example below for how a character may have points distributed.
If you play in a position which you have little familiarity, your stats will be decreased in the match. If you play more matches in an additional position, you will slowly gain familiarity in that position and the stat reduction will reduce. You have to play a lot of matches to become 100% familiar in another position.