Chargers sign wide receiver Austin Pettis

The Chargers took a look at wide receiver Austin Pettis recently, and they apparently liked what they saw. They announced they signed the former Rams third-rounder Friday. Pettis caught 107 passes for 1,034 yards and nine touchdowns in 47 games with the Rams, but was rarely more than a part-time player. The Rams cut Pettis in…