The third in the 32-team series for Yahoo! SportsAfter consecutive 8-8 finishes in 2010 and 2011, some figured the 2012 Oakland Raiders may finally snap that streak of non-winning seasons dating back to 2003.But it was not meant to be and the Silver and Black dropped to 4-12, the eighth time in 10 years that the club had lost at least 11 games in a season.Since finishing 11-5 and reaching Super Bowl XXXVII, the Raiders are a combined 49-111. Those numbers seem unfathomable.But with the start of a new season comes the hope of a big-time turnaround.So it is onto 2013 and here we will take a look at five players who could be critical to the team's success this upcoming season. While in some case the obvious will be stated, in other instances the focus will be on a newcomer to the team or a performer looking to rebound from a disappointing year.So here are five players to keep an eye on this season when it comes to the Oakland Raiders: