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. s epic rivalry has been characterised by a mutual appreciation bordering on fraternal love. Celtics' Isaiah Thomas starts playoff game after death of sister in car accident | Sport | The Guardian. He watched firsthand as the league his father bought into for $2,500 in 1933 became a multi-billion dollar, year-round business.