Had the players known all that McKinsey was doing, there might have been greater dissension not only on the team but around the league. Former QuantumBlack employees told the authors of this book that they were secretly using medical information to predict lower-body injuries. “It was very hush-hush internally at the team, working directly with the team doctor,” one former consultant said. “They didn’t want the players to know.” Should a player be identified as likely to be injured, the consultant said, that could impact contract negotiations.

