At the 1974 World Cup in Germany, 80% of all players wore adidas boots. The home team, outfitted head-to-toe in adidas, won the tournament.Rules of the Game: For FIFA matches, if a substitute enters the field of play without the refereeís permission, play is stopped, the substitute is cautioned, shown the yellow card and required to leave the field of play. Play is restarted with a dropped bThe oldest soccer club in the world is England's Sheffield FC, founded in 1857.U.S. Menís National Team played their first ever game in 1916 vs. Sweden in Stockholm.U.S. Menís National Team played their first ever game in 1916 vs. Sweden in Stockholm.