Let's be honest for a minute: the first preseason game will not reflect any type of success for a team or a player. The Raiders beat the Cowboys last year 31-10 and Jamarcus Russell's completion percentage was almost 70 percent.
Not exactly how the Raiders performed during the season.
This game won't show us if Jason Campbell is the real deal, and it won't show us if Darrius Heyward-Bey is ready for the Hall of Fame.
This game will show us a lot of things, but it won't show us if the Raiders will make the playoffs in 2010.
Let's take a look at five things the Raider Nation should watch for when the Raiders play the Cowboys.