Super Bowl V committed by a Super Bowl champion. Dallas also set a Super Bowl record with ten penalties, costing them 133 yards. It was finally settled when Colts rookie kicker Jim O'Brien made a 32-yard field goal with five seconds left in regulation time. In order to win the game, Baltimore had to overcome a 13–6 deficit after three quarters, and losing their starting quarterback Johnny Unitas in the second quarter. It is the only Super Bowl in which the Most Valuable Player Award was given to a member of the losing team: Cowboys' linebacker Chuck Howley, the first non-quarterback to win
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