Video: Getting pressure on Atlanta Falcons quarterback Matt Ryan will be the key for the Saints in Sunday's NFC South showdown _lowres

Atlanta Falcons quarterback Matt Ryan (2) passes against the Pittsburgh Steelers during the second half of an NFL football game, Sunday, Dec. 14, 2014, in Atlanta. (AP Photo/David Goldman)

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First place in the NFC South will be on the line when the New Orleans Saints play host to the Atlanta Falcons on Sunday. The key to the game will be the play of the New Orleans Saints defense.

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