The vector stencils library "Soccer (Football) positions" contains 18 symbols for drawing association football (soccer) positions diagram.
"In the sport of association football, each of the eleven players on a team is assigned to a particular position on the field of play. A team is made up of one goalkeeper and ten outfield players who fill various defensive, midfield and attacking positions depending on the formation deployed. These positions describe both the player's main role and their area of operation on the pitch." [Association football positions. Wikipedia]
The symbols example "Design elements - Soccer (Football) positions" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Soccer solution from the Sport area of ConceptDraw Solution Park.