The Raiders upset the Saints to open up their new Las Vegas stadium on Monday Night Football. Derek Carr out-dueled Drew Brees in what was a balanced Raider offensive attack which included nifty play-calling from Jon Gruden, said SI.com’s Conor Orr. But are the now 2-0 Raiders for real? What about New Orleans less-than-stellar offensive output during the first two games of the season — cause for concern at 1-1? It could be a bit too early for either notion.