The 1970 Cleveland Bowns did not play in the Super Bowl that year. They went 7-7 and did not qualify for the playoffs.
it had to be the vikings in 1970 when they lost to the chiefs 23-7
The Chiefs have won one Super Bowl, that being Super Bowl IV when they defeated the Minnesota Vikings 23-7.
The Cleveland Browns have NEVER been to a Super Bowl. Their last NFL championship was in 1964 just before the Super Bowl started. They lost AFC Championship games in 86, 87, and 89 to the Denver Broncos who went on to lose each time. Also after they came back to the NFL, they made it once to the playoffs as a wild card in 2002 losing to the Pittsburgh Steelers. The Browns are one of the only teams to not have made it to the Super Bowl. Their championships were 1950, 1954, 1955, and 1964 for the NFL and 1946, 1947, 1948, and 1949 for the AAFC.
They have never lost in the Super Bowl. They won in both Super Bowl XXXV (2009) and Super Bowl XLVII (2013).
The Giants lost Super Bowl XXXV to the Ravens.
The Minnesota Vikings have appeared in four Super Bowls and lost all four: Super Bowl IV (1970): Kansas City Chiefs 23, Vikings 7 Super Bowl VIII (1974): Miami Dolphins 24, Vikings 7 Super Bowl IX (1975): Pittsburgh Steelers 16, Vikings 6 Super Bowl XI (1977): Oakland Raiders 32, Vikings 14 However, before the AFL-NFL merger in 1970, the Minnesota Vikings won the NFL Championship in 1969.
The Baltimore Colts lost the third Super Bowl to the New York Jets.
They made it to the AFC Championship three times, they lost all three. Before the Super Bowl began the Browns won the NFL Championship four times.
The Dallas Cowboys lost twice to the Pittsburgh Stelers in the Super Bowl. Dallas lost Super Bowl X 21-17 and Super Bowl XIII 35-31.
The Minnesota Vikings lost to the Dolphins in Super Bowl VIII, the Steelers in Super Bowl IX, and the Raiders in Super Bowl XI.
Super Bowl XX they lost to the Bears 46-10 Super Bowl XXXI they lost to the Packers 35-21 Super Bowl XXXVI they beat the Rams 20-17 Super Bowl XXXVIII they beat the Panthers 32-29 Super Bowl XXXIX they beat the Eagles 24-21 Super Bowl XLII they lost to the Giants 17-14
Twice. One in 1970 as the Baltimore Colts and one in 2006. they also lost to jets in super bowl III