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The Steelers have filled one of their open roster spots, signing rookie tailback Stephen Houston, according to Bob Labriola of the club’s website.

Houston (6-0, 225) was waived by the Patriots on Monday. He played four snaps on offense in New England’s preseason opener on Thursday, losing a fumble early in the fourth quarter.

The 22-year-old Houston played three seasons for Indiana, racking up 2,304 yards and 25 touchdowns on the ground and adding 658 yards receiving and four TDs for the Hoosiers.

The Steelers now have eight tailbacks, including Dri Archer, who is also listed as a wide receiver. They have one open roster spot.