Chargers go cheaper at receiver

When we last heard from Chargers G.M. A.J. Smith, he was firing shots at Peyton and Archie Manning.  This time around, Smith is sending his message a bit more subtly. Hours after former Chargers receiver Vincent Jackson agreed to terms with the Buccaneers on a five-year, $55,555,555 contract that pays $26 million in fully guaranteed…