What happened: Yahoo Sports analysts Eric Edholm and Frank Schwab have issued their evaluations for the entire NFL. The Las Vegas Raiders were awarded an A grade, while the Los Angeles Chargers received an F-minus.

Why it matters: The contrasting marks follow the early trajectories of the Los Angeles Chargers and Las Vegas Raiders through the opening month.

What to watch: Both clubs will look to alter or validate their initial marks as the schedule progresses.