Robert Meachem listed as one of Chargers’ third-string receivers

The Chargers, like many other teams, have released an initial depth chart. Here are some of the highlights: – Robert Meachem, who will make $5 million in 2013, is one of the Chargers’ third-string wide receivers. So too is third-round pick Keenan Allen. Eddie Royal and Vincent Brown are the second-team receivers, with Malcom Floyd…