Fields has largely done what the Steelers have asked. Can he continue to grow as Russell Wilson's calf injury lingers?

The Los Angeles Chargers know what they are getting into when they face Pittsburgh Steelers quarterback Justin Fields on Sunday. Fields is one of the most dynamic runners in the history of the NFL at the quarterback position.

Do the Steelers have a quarterback controversy on their hands? They don't if you ask one Pittsburgh reporter, who feels Justin Fields is simply keeping the starting job warm until Russell Wilson is healthy.