Steve Shull was a Captain for the Miami Dolphins in Super Bowl XVII when Washington Redskins Hall Of Fame running back John Riggins ran over a Dolphins defender and broke off a 43 yard touchdown on a 4th and 1 play which is still known as one of the most defining moments in Super Bowl history. This run overshadowed what may have been the biggest hit in Super Bowl history when Steve Shull knocked the Redskins Clarence Harmon unconscious on a key block that led To a touch down that gave the Dolphins the lead before succumbing to the Redskins in the second half.