Tom Rafferty, a stalwart in the Cowboys’ offensive line whose career bridged generations from Roger Staubach to Troy Aikman and who was so tough he taught himself to walk again in middle age after a neurological disorder left him with no feeling below the waist, died Thursday at 70 in Windsor, Colorado, after a stroke.

Rafferty’s daughter, Rachel Powers, said her father had been hospitalized since early May.

Born and raised in New York and drafted in the fourth round out of Penn State in 1976, Rafferty inherited Blaine Nye’s spot at right guard in his second season. He started there or at center for two Super Bowls and 167 straight games in all, the longest streak in the organization’s history at the time, until Mark Stepnoski replaced him midway through the 1989 season.

Rafferty was ty

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