Super Bowl XIII 21–17, in Super Bowl X), and both teams were attempting to be the first club to ever win a third Super Bowl. Dallas was also the defending Super Bowl XII champion, and finished the 1978 regular season with a 12–4 record, and posted playoff victories over the Atlanta Falcons and the Los Angeles Rams. Pittsburgh entered the game after posting a 14–2 regular season record and playoff wins over the Denver Broncos and the Houston Oilers. Steelers quarterback Terry Bradshaw, who was named Super Bowl MVP, completed 17 out of 30 passes for Super Bowl records of 318 passing yards
Super Bowl XVIII John Riggins finished the drive with a 1-yard touchdown run. (Riggins became the second player to run for touchdowns in back-to-back Super Bowls; he had one in Super Bowl XVII en route to winning that game's Super Bowl MVP award). Moseley's extra point attempt was blocked by reserve tight end Don Hasselbeck, but the Redskins had cut the score to 21–9 and were just two touchdowns away from taking the lead. However, the Raiders completely took over the rest of the game, preventing any chance of a Washington comeback. On the ensuing drive, Washington defensive back Darrell Green was called