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Tony Gonzalez goes home to Kansas City Sunday.
Both teams won their division in 2010, but suffered a setback last year.
The Chiefs went through an injury-riddled 2011, finishing last in the AFC West at 7-9. The Falcons were 10-6, and made the playoffs, but were beaten by the Giants 24-2 in the first round of the playoffs.
Romeo Crennel will get another shot to be a head coach in the NFL. He was head coach in Cleveland from 2005-2008, and was interim coach in Kansas City last season after the firing of Todd Haley.
Former Chief and current Falcons tight end Tony Gonzalez will be the story of this game.
Gonzalez has set the standard for tight ends in the NFL. He is entering his 16th NFL season, and it might be his last.
He leads all tight ends in receptions, with 1,149, and only Jerry Rice has more lifetime receptions than Gonzalez.
Whether or not he plays another season remains to be seen.
Most likely, though, it will be his last career appearance in the city that he played in from 1997-2008.
Game Time: 1:00 Eastern Time on FOX.