a 13 a side football match
Australian Rules Football
Rugby League has 13 onfield players
Soccer is a healthy sport sport because they players constantly move up and down the field.
rugby union as 13 ,not to be confused with rugby league which as 11 players on field
In Basketball the teams usually field 5 players, unincluding substitutes.
In the sport of softball, there is to be nine players on the field at once on defense. Who doesnt no that?