OKLAHOMA CITY -- Kevin Durant and his business manager, Rich Kleiman, are taking preventive safety measures as Durant heads back to Oklahoma City on Saturday for the first time as a member of the Golden State Warriors. A heightened armed security team has been procured, tripling the normal amount of security personnel the Warriors typically travel with, league sources told ESPN. During what is expected to be an emotionally charged, contentious scene at Chesapeake Energy Arena, Kleiman -- who orchestrated Durant's free-agent meetings in the Hamptons in New York last offseason -- will sit next to Durant's mother, Wanda, sources said. A group of security officials will be strictly assigned to ensure they are supervised and protected throughout the game, sources said. The Thunder are not providing additional security at the arena for Saturday night's game. A Thunder official told ESPN's Ramona Shelburne that they are confident their normal security procedures will be...