'Hard Knocks' Power Rankings: Dan Campbell, Duce Staley steal show for Lions in wild season premiere | CBS Sports Headlines 'Hard Knocks' Power Rankings: Dan Campbell, Duce Staley steal show for Lions in wild season premiere The season premiere of Hard Knocks was even better than expected ESN FeedsThis post … Continue reading 'Hard Knocks' Power Rankings: Dan Campbell, Duce Staley steal show for Lions in wild season premiere