Kansas City Chiefs' Patrick Mahomes' helmet shatters in freezing Wild Card game.
The extreme cold may have made the helmet more brittle than usual.
Deshon Elliot's hit leaves a fist-sized chunk missing above Mahomes' left eye.
Mahomes jokes about his age affecting his scramble, referencing a famous play.
Despite the helmet damage, Mahomes plays two more snaps before switching helmets.
The drive concludes with a field goal as Mahomes displays resilience in the freezing conditions.
Mahomes' helmet incident becomes a notable moment in the cold-weather playoff game.