There's little doubt that the San Diego Chargers will struggle at times to replace wide receiver Vincent Jackson, who departed in free agency after a couple fractured years, landing a big-dollar contract with Tampa Bay. Jackson, after all, epitomized what the San Diego passing game was all about: a big, rangy, physical wide receiver whose size and strength alone made him an imposing component in the vertical model favored by coach Norv Turner and quarterback Philip Rivers.

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