FILE - In this Jan. 23, 2011, file photo, Green Bay Packers' Sam Shields (37) celebrates his interception against the Chicago Bears with teammate Nick Collins (36) near the end of the NFC Championship NFL football game in Chicago. Green Bay got two interceptions, one to close out the victory in the final minute from Shields. (AP Photo/Nam Y. Huh, File)

FILE - In this Jan. 23, 2011, Chicago Bears quarterback Caleb Hanie throws a pass during the second half of the NFC Championship NFL football game against Green Bay Packers in Chicago. Green Bay nose tackle B.J. Raji's interception of Chicago third-stringer Hanie's pass gave the Packers a 21-7 lead, and they needed it after being burned by a Hanie-to-Earl Bennett TD a short time later. (AP Photo/Jim Prisching, File)

FILE - In this Jan. 23, 2011, file photo, Green Bay Packers' B.J. Raji (90) scores the game winning touchdown on an interception during the second half of the NFC Championship NFL football game in Chicago. Raji's 18-yard interception return for a TD with about six minutes to go was the biggest play all day by an aggressive Packers defense in their 21-14 win over the Bears in the NFC title game. (AP Photo/Jim Prisching, File)