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 X receiver Lynn Swann. The Cowboys cut the score, 21–17, late in the game with wide receiver Percy Howard's 34-yard touchdown reception, but Pittsburgh safety Glen Edwards halted Dallas' rally with an end zone interception as time expired. Swann, who caught four passes for a Super Bowl record 161 yards and one touchdown, became the first wide receiver to be named Super Bowl MVP. The NFL awarded Super Bowl X to Miami on April 3, 1973, at the owners' meetings held in Scottsdale, Arizona. The Cowboys, considered a Cinderella team entering the Super Bowl, advanced to their third Super Bowl in