The Falcons (4-8) are set to play the Green Bay Packers (4-7-1) at 1 p.m. Sunday at Lambeau Field in Green Bay, Wis.

Here are three key matchps:

Packers OLB Clay Matthews vs. Falcons LT Jake Matthews: Clay Matthews is in his 10th season and the former defensive player of the year has 2.5 sacks. He'll be matched at times against his cousin Jake Matthews. The Packers appear set to let Clay Matthews become a free agent after the season.

Packers S Tramon Williams vs. Falcons QB Matt Ryan: With all of the injuries in the secondary, the Packers have moved the veteran cornerback to free safety. Williams, 35, provides a steady presence to a young secondary which features rookie Jaire Alexander. He'll make all the calls and match wits with Ryan.

Packers WR Davante Adams vs. Falcons CB Desmond Trufant: Adams, who is having a monster season, has moved into the upper echelon for receivers in the NFL. He has 85 catches for 1,115 yards and 11 touchdowns. The Packers move him around. Falcons defensive coordinator Marquand Manuel doesn't plan to shadow him with Trufant and said that all of the cornerbacks have to be ready for Adams. "This is a high-character, smart football player and great locker room guy," Philbin said. "A guy that is really starting to exude a lot of confidence. Brings a lot of positive leadership to the locker room. I'm very impressed with him."

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