Detroit Lions v Minnesota Vikings

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Matt Cassel of the Minnesota Vikings warms up before the game against... News PhotoAmerican Football - Sport,Detroit Lions,Horizontal,Hubert H. Humphrey Metrodome,Match - Sport,Matt Cassel,Minneapolis,Minnesota,Minnesota Vikings,NFL,Sport,Stadium,USA,Waist Up,Warming UpPhotographer Collection: Getty Images Sport 2013 Getty ImagesMINNEAPOLIS, MN - DECEMBER 29: Matt Cassel #16 of the Minnesota Vikings warms up before the game against the Detroit Lions on December 29, 2013 at Mall of America Field at the Hubert H. Humphrey Metrodome in Minneapolis, Minnesota. (Photo by Hannah Foslien/Getty Images)