Green Bay is 5-2 and Chicago is 4-3.
If Green Bay wins, they get a better grip on the NFC North at 6-2 and Chicago(4-4) falls behind a game to Detroit(5-3), making it easier for Lions to win the wild card spot.
If Chicago wins, all three teams have a 5-3 record with Detroit being in first place due to tie breaking procedures:
1. Head-to-head (best won-lost-tied percentage in games between the clubs).
2. Best won-lost-tied percentage in games played within the division.
All would be 2-1 in division
3. Best won-lost-tied percentage in common games.
All 2-1 since:
Detroit beat Minnesota and Washington, lost to Cincinnati
Chicago beat Minnesota and Cincinnati, lost to Washington
Green Bay beat Minnesota and Washington, lost to Cincinnati
4. Best won-lost-tied percentage in games played within the conference.
Detroit at 4-2, Green Bay would be at 3-2, Chicago would be at 3-3