Daboll has a history with Kansas City quarterback Matt Cassel and Carthon and Zorn know the team well .
The Chiefs ' defense is in good coaching shape , but Crennel needs to rely on his offensive coaches .
Daboll has a history with Chiefs   quarterback Matt Cassel and Carthon and Zorn know the team well .
The Chiefs ' defense is in good coaching shape , but Crennel needs to rely on his offensive coaches .