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 XXI however, was Giants defensive end George Martin's sack of Elway in the end zone for a safety. This began the Giants run of scoring 26 unanswered points through the third and fourth quarters. The Giants also posted a Super Bowl record 30 points in the second half, and limited the Broncos to only 2 net yards in the third quarter. Simms, who was named the Super Bowl MVP, finished the game with 22 of 25 passes completed for 268 yards and three touchdowns. He also had 25 rushing yards on 3 carries. His 22 out of 25 (88%) completion percentage