He became the Premier League’s first head of sports science and then their head of elite performance last October. Oakland Raiders' move to Las Vegas approved 31-1 by NFL owners Read moreMichael Silver and Mike Gara. “It gave us a tremendous advantage over all the other teams that were forming in the national professional soccer league,” vice-president Derek Liecty said. But in the NBA, over-exertion of stars has become a significant concern.