Carolina Panthers running back Jonathan Stewart (28) runs against the Seattle Seahawks during the first half of an NFL divisional playoff football game in Charlotte, N.C. The Panthers haven't missed a beat since releasing their all-time leading rusher Deangelo Williams in the offseason in large part because of the way Jonathan Stewart has stepped up.
Carolina Panthers running back Jonathan Stewart (28) runs against the Seattle Seahawks during the first half of an NFL divisional playoff football game in Charlotte, N.C. The Panthers haven't missed a beat since releasing their all-time leading rusher Deangelo Williams in the offseason in large part because of the way Jonathan Stewart has stepped up. Bob Leverone AP
Carolina Panthers running back Jonathan Stewart (28) runs against the Seattle Seahawks during the first half of an NFL divisional playoff football game in Charlotte, N.C. The Panthers haven't missed a beat since releasing their all-time leading rusher Deangelo Williams in the offseason in large part because of the way Jonathan Stewart has stepped up. Bob Leverone AP

David J. Neal: Carolina Panthers’ ground game could be key to Super Bowl

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