San Diego Chargers' wide receivers Coach James Lofton and running backs' Coach Matt Simon will not be retained for the 2008 season, the team announced today. Lofton was the team?s receivers coach for six seasons (2002-07), and Simon joined the team in ?07. ?We appreciate the contributions that James made over the past six seasons and Matt?s help in 2007,? said Head Coach Norv Turner.