[embed]http://gty.im/484069738[/embed] The Oakland Raiders finally look like a competitive football team again. That should be the biggest takeaway from their preseason rout of the St. Louis Rams. Quarterback Derek Carr and the offense looked significantly improved from a year ago, thanks in large part to some of the studs listed below. The starting defense was still a little shaky, but there were still a few bright spots. Overall, the Raiders can feel good about their first live action of the year, especially since there appeared to be no significant injuries to come out of it. Studs Rodney Hudson Of all general manager Reggie McKenzie's offseason acquisitions, he committed the most money to center Rodney Hudson. Offensive linemen rarely get the praise they deserve, but a great offensive line as anchored in the middle can be huge for an offense. Hudson was very solid in his debut against a very good defensive front. If Hudson and the offensive line can consistently protect Carr an