The Pittsburgh Steelers face the biggest challenge of the season on Sunday against the Kansas City Chiefs. Kansas City has won seven in a row and has done it with a balance of run and pass on offense as well as an improving defense. What do the Steelers have to do if they want to pull off this huge upset?
Steelers vs Chiefs: Keys to victory for Pittsburgh
If the Steelers are going to pull off the upset, it is going to take a Christmas miracle.
