The Chiefs season is summed up in "what could have been."
The team lost a 13-9 defensive struggle at home to the Steelers, which some have argued is the best team in the AFC.
No one thought the Chiefs struggling defense could stop the Steeler's young stable of talented wide receivers, and they would be blown out once again at home.
That didn't happen. The Chiefs defense played their best game of the year, only to have it robbed from them by a quarterback that made awful decisions.
The Chiefs could be competitive under Kyle Orton once again. The defense has shown flashes of greatness and destitution this season, and Sunday night it showed just how brilliant it can be at times.
These are five things we learned about the Chiefs in Week 12.