While Adrian Peterson and five other running backs ran for 100 yards or more, Week 2 featured 11 300-yard-or-better passing performances, too. Philip Rivers, Michael Vick and Aaron Rodgers stood tall atop the QB mountain throwing for more than 400 yards each.Can this trend of aerieal assault continue? Let's hope as it makes for some for some interesting football.Here's what else we learned in Week 2:Kansas City, Chicago and Miami undefeated? With Andy Reid at the helm and a new QB in Alex Smith, the Chiefs are a different team. Behind Jay Cutler's heroics the Bears have won two close games to start their season. While many expected the Texans and Patriots to be 2-0 at this point, who would have thought the Dolphins, sans Reggie Bush, would be 2-0?Philip Rivers and Michael Vick engage in aerial dogfight: With five combined touchdown passes and 847 yards passing in the game, the two quarterbacks put on a crazy air show on Sunday. But thanks to a 46-yard field goal from Nick Novak, San Diego squeaked out a 33-30 win.Aaron Rodgers destroys the Redskins defense: Robert Griffin III threw for 320 yards with three TDs, but Rodgers was red-hot with a 480-yard, four TD performance in a...