the Cowboys maintained their 10–7 lead going into the final period. Fourth quarter Early in the fourth quarter, Dallas punter Mitch Hoopes was forced to punt from inside his own goal line. As Hoopes stepped up to make the kick, Steelers running back Reggie Harrison broke through the line and blocked the punt. The ball went through the end zone for a safety, cutting the Dallas lead to 10–9. It was the second safety recorded in Super Bowl history, the first occurring a year earlier when White downed Minnesota's Fran Tarkenton on a fumble recovery in the end zone. Then Steelers running back Mike Collier returned the free kick 25 yards to the Cowboys' 45-yard line. Dallas halted the ensuing drive at the 20-yard line, but this time Gerela successfully kicked a 36-yard field goal to give Pittsburgh their first lead of the game, 12–10. Then on the first play of the Cowboys' next drive, Steelers defensive back Mike Wagner intercepted a pass from Staubach and returned it 19 yards to the Dallas 7-yard line. Wagner's interception came off the same play Dallas used to score their opening touchdown. Instead of surveying the middle of the field, Wagner watched Pearson and recognized the pattern. Staubach later said: "It was our bread and butter play all season long. It was the first time it didn't work." The Cowboys defense again managed to prevent a touchdown, but Gerela kicked an 18-yard field goal to increase the Steelers lead to 15–10. The Steelers forced a punt and regained possession of the ball on their own 30-yard line with 4:25 left in the final period, giving them a chance to either increase their lead or run out the clock to win the game. But after two plays, the Steelers found themselves facing 3rd-and-4 on their own 36-yard line. Assuming that the Cowboys would be expecting a short pass or a run, Bradshaw decided to try a long pass and told Swann in the huddle to run a deep post pattern. As Bradshaw dropped back to pass, Harris and linebacker D.D. Lewis both blitzed in an attempt to sack him. But Bradshaw managed to dodge Lewis and throw the ball just before being leveled by Harris and lineman Larry Cole, who landed a helmet-to-helmet hit on Bradshaw. Swann then caught the ball at the 5-yard line and ran into the end zone for a 64-yard