Chargers sign Meachem to four-year, $25.9 million contract

The Chargers lost free agent Vincent Jackson to the Tampa Bay Buccaneers on Tuesday evening, but G.M. A.J. Smith countered with a move early Wednesday morning that will keep his team competitive at wide receiver. The club announced that it has signed deep threat receiver Robert Meachem, formerly of the Saints. Per Michael Gehlken of…