Report Card Grades for Every San Francisco 49ers Free Agent Acquisition so Far

Four weeks in the 2012 NFL season, and just like that, a quarter of the league-year has elapsed. 

The San Francisco 49ers (3-1) have a .750 winning percentage right now, which is good enough to have them near the top of the league. Coach Jim Harbaugh is no doubt proud of his men, but understands there is still tons of work to be done. 

The team looked exceptional in three of their four outings in 2012, but laid an egg in one of them. The 49ers won convincingly in Weeks 1 and 2 against two highly respected playoff teams from last year, in Green Bay and Detro...

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