Westbrook not only plays at a high intensity but figures into a very high percentage of the Thunder’s possessions, something analytics experts calls usage rate. The 10 NPSL clubs primarily were owned by football, baseball and hockey teams and played at baseball or football stadiums. That year turned into a wild ride for pro soccer, because two leagues toiled to grab sports fans’ attention and dollars. “Since you can’t, and don’t want to, control intensity during games, a team has to reduce individual and work at practices and pre-games.