Pittsburgh's offense wasn't playing its sharpest game, either. It may have been only 25 total yards short of the Chiefs, but it was severely outmatched through the air: it scored no passing touchdowns to Patrick Mahomes' three as he out-tossed Steelers quarterback Russell Wilson by 115 yards.

DeShon Elliott expressed frustration with his Pittsburgh Steelers teammates after a Christmas Day defeat against the Kansas City Chiefs marked the

And though Elliott is known for setting the tone in run defense, the difference with him on and off the field in passing situations is even more stark. The Steelers are second in allowing 6.4 passing yards per attempt with Elliott on the field and last with 9.1 yards playing without him.