The eighth in our 32-part series for Yahoo! SportsDespite their failures in the Big Game, the decade of the 1990s was kind to the Buffalo Bills. The franchise reached the playoffs eight times in those 10 years and went to an unprecedented four consecutive Super Bowls. "Consecutive" once again has a familiar ring to it with this team. Only these days, the Bills have failed to reach the postseason 13 straight years, the longest active drought in the league. And those woes are enhanced by the fact that the team has finished last in theAFC East five consecutive seasons.But it's a new season and that brings new hope. So here comes 2013 and we will take a look at five players who could be critical to the team's success this upcoming season. While in some cases 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 Buffalo Bills: