sentences:  Their worst seasons since the NFL changed to a 16-game schedule were in 1984 and 2011, when they could only manage a 3–13 record.The best regular-season record was achieved in 1998, when the Vikings went 15–1, but kicker Gary Anderson, who had gone 35-for-35 in field goal attempts during the regular season, missed a 38-yard attempt with less than three minutes remaining in the NFC Championship Game.With an overtime loss to the Atlanta Falcons, the Vikings became the first 15–1 team in NFL history not to reach the Super Bowl.