Detroit Lions and Cleveland Browns.
The Lions won the NFL championship 4 times (1935, 1952, 1953, 1957) and the Browns won the NFL championship 4 times (1950, 1954, 1955, 1964).
The two remaining teams have a week to rest, recover and talk strategy after the AFC and NFC Championships and before the Super Bowl.
Chiefs, Raiders, Patriots, Broncos, and Steelers
The Steelers. ANSWER If you're asking about championships, the Packers have the most, with 12: nine in the pre-Super Bowl era, and three Super Bowl championships. The Steelers have the most Super Bowl wins, with six.
Two. Staubach, who was a member of five Dallas Cowboys Super Bowl teams in the 1970s, won championships in Super Bowl VI and Super Bowl XII.
While the Pittsburgh Steelers have six Super Bowl rings, the San Francisco 49ers and the Dallas Cowboys have 5 Super Bowl championships each.
Dallas and San Francisco. The Steelers now have 6 Super Bowl Championships. The Cowboys and 49ers have 5 each.
Boston Celtics with 17 championships.
23
Yes
Many teams have won 0 national championships.
Alabama claims 13 National Championships in football. One of these championships is a BCS championship. Before the BCS, teams were voted champion by various organizations. Whether or not Alabama has 13 actual championships can be debated, but their 1 BCS Championship cannot be challenged.
The teams with the worst record in the Super Bowl are the Minnesota Vikings and the Buffalo Bills, who are both 0-4 in Super Bowls. The Bills lost those 4 consecutively from 1991-1994