The San Francisco 49ers were patient with 2012 first-round pick A.J. Jenkins during his rookie campaign, but with Michael Crabtree sidelined for the foreseeable future, they need him to step up quickly as the No. 2 WR behind offseason acquisition Anquan Boldin. A strained hamstring limited him early on in camp, though, and his initial preseason game was anything but impressive, as he fumbled the only pass he caught during his 20+ plays.
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