Detroit Lions quarterback Matthew Stafford (9) runs the ball during the second half of an NFL football game against the Chicago Bears, Sunday, Jan. 3, 2016, in Chicago. (AP Photo/Charles Rex Arbogast)

Chicago Bears wide receiver Josh Bellamy (11) celebrates a touchdown with Marc Mariani (80) during the second half of an NFL football game against the Detroit Lions, Sunday, Jan. 3, 2016, in Chicago. (AP Photo/Nam Y. Huh)

Detroit Lions wide receiver Calvin Johnson (81) celebrates a touchdown in the end zone during the second half of an NFL football game against the Chicago Bears, Sunday, Jan. 3, 2016, in Chicago. (AP Photo/Charles Rex Arbogast)

Detroit Lions quarterback Matthew Stafford (9) is sacked by Chicago Bears outside linebacker Willie Young (97) during the first half of an NFL football game, Sunday, Jan. 3, 2016, in Chicago. (AP Photo/Nam Y. Huh)

Chicago Bears quarterback Jay Cutler (6) throws a pass during the first half of an NFL football game against the Detroit Lions, Sunday, Jan. 3, 2016, in Chicago. (AP Photo/Charles Rex Arbogast)

Detroit Lions quarterback Matthew Stafford (9) throws a pass during the first half of an NFL football game against the Chicago Bears, Sunday, Jan. 3, 2016, in Chicago. (AP Photo/Nam Y. Huh)

Chicago Bears quarterback Jay Cutler (6) warms up before an NFL football game against the Detroit Lions, Sunday, Jan. 3, 2016, in Chicago. (AP Photo/Nam Y. Huh)

Chicago Bears head coach John Fox walks around the field before an NFL football game against the Detroit Lions, Sunday, Jan. 3, 2016, in Chicago. (AP Photo/Nam Y. Huh)