San Francisco 49ers: Glen Coffee Stays Grounded in Training Camp Battle

This piece was originally written at Examiner.com .

The San Francisco 49ers offense has gone through a few changes since first being installed by offensive coordinator Jimmy Raye last season.

The 49ers were branded as a running team and pounding the rock would be their main source of offense. Now with quarterback Alex Smith under center, the 49ers have opened up the passing game for offense. 

Yet entering into training camp, one of the biggest questions still surrounds the team's running game: Who will be running back Frank Gor...

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