Ball security will be one key to victory Sunday. Here are five more:
PROTECT THE QUARTERBACK: The Cowboys' Tony Romo took a shot to the ribs that knocked him out for the final play of the first half against the Giants. Now he has to deal with a Chiefs defense that racked up six sacks against the Jaguars. "When one guy makes a play, the next guy wants to make a play," said Chiefs linebacker Justin Houston,Clearance Sale Shoes Canada, who had three of them. "We strive for that."