NFL This Week: Will Kansas City Chiefs defence carry them through the play-offs?

NFL This Week's Osi Umenyiora and Jason Bell discuss whether the Kansas City Chiefs defence can carry them through the play-offs or whether their misfiring offense will need to improve.

Catch up on NFL This Week on iPlayerand watchThe NFL Showat 23:50 GMT on Saturday 11 December on BBC One and iPlayer.

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