... 49ers will head into the regular season with heightened expectations following a 7-9 finish from the previous campaign. 

However, the last time the 49ers were in this position, they fell flat on their face.

After a 7-9 2006 season, San Francisco fell apart with an inexperienced offensive coordinator at the helm and finished a extremely disappointing 2007 season with a record of 5-11.

But if the 49ers want to fulfill their expectations, there are five players that are going to be quintessential to making that happen.

1. Dre Bly

The 10-year veteran cornerback came into the league with the St. Louis Rams back in 1999 and played in St. Louis for f...

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