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 XXXVIII points. The game was scoreless for a Super Bowl record 26:55 before the two teams combined for 24 points prior to halftime. The clubs then combined for a Super Bowl record 37 points in the fourth quarter. The contest was finally decided when the Patriots kicker Adam Vinatieri's 41-yard field goal was made with four seconds left. Patriots quarterback Tom Brady was named Super Bowl MVP for the second time in his career. The game is also known for its controversial halftime show in which Janet Jackson's breast, adorned with a nipple shield, was exposed by Justin Timberlake for about