'NFL 100 Greatest' Teams, No. 31: 1981 San Francisco 49ers

Former Atlanta Falcons quarterback Michael Vick causes Viking defenders to collide on GW run.

"NFL 100 Greatest" counts down the top 100 characters in NFL history, and Carolina Panthers quarterback Cam Newton lands at No. 90.

"NFL 100 Greatest" ranks the top 100 characters in NFL history, and former Denver Broncos and Baltimore Ravens tight end Shannon Sharpe lands at No. 51.

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 1998 Denver Broncos, who defeated the Atlanta Falcons in Super Bowl XXXIII behind the play of quarterback John Elway, running back Terrell Davis, wide receiver Rod Smith and tight end Shannon Sharpe, land at No. 14.

Former Denver Broncos safety Steve Atwater shows size doesn't matter to the NFL.

The "NFL 100 Greatest" ranks the top 100 games in NFL history, and the Green Bay Packers vs. Oakland Raiders clash in Week 16 of the 2003 season lands at No. 52.

Former New England Patriots tight end Ben Watson goes ALL OUT in memorable chase-down play.

The "NFL 100 Greatest" ranks the top 100 games in NFL history, and the 1982 AFC Championship Game between the New York Jets and Miami Dolphins lands at No. 100.

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 1992 Dallas Cowboys, who finished the regular season 13-3 and defeated the Buffalo Bills 52-17 in Super Bowl XXVII, land at No. 6.

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 1962 Green Bay Packers, who finished with a 13-1 record and defeated the New York Giants in the NFL Championship Game, land at No. 9.

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 1999 St. Louis Rams, who defeated the Tennessee Titans in Super Bowl XXXIV and were dubbed "The Greatest Show on Turf," land at the No. 11 spot.

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 1986 New York Giants, who defeated the Denver Broncos 39-20 in Super Bowl XXI, land at the No. 12 spot.

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 1966 Green Bay Packers, who defeated the Kansas City Chiefs in Super Bowl I behind head coach Vince Lombardi, quarterback Bart Starr and wide receiver Max McGee, land at No. 13.

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 1991 Washington Redskins, who defeated the Buffalo Bills in Super Bowl XXVI behind a Super Bowl MVP performance from quarterback Mark Rypien, land at No. 15.

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 2004 New England Patriots, who defeated the Philadelphia Eagles in Super Bowl XXXIX behind the play of quarterback Tom Brady, running back Corey Dillon, wide receivers Deoin Branch and Tr

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 1977 Dallas Cowboys, who beat the Denver Broncos 27-10 in Super Bowl XII behind head coach Tom Landry and quarterback Roger Staubach, land at No. 17.

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 2013 Seattle Seahawks, who defeated the Denver Broncos in Super Bowl XLVIII thanks to huge performances from Malcolm Smith, Russell Wilson and the "Legion of Boom," land at No. 18.

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 1994 San Francisco 49ers, who defeated the San Diego Chargers in Super Bowl XXIX behind the play of quarterback Steve Young, running back Ricky Watters, wide receivers Jerry Rice and John

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 1996 Green Bay Packers, who defeated the New England Patriots in Super Bowl XXXI behind the play of quarterback Brett Favre, running back Dorsey Levens, wide receiver Desmond Howard, defe

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 2016 New England Patriots, who surmounted a 28-3 deficit in Super Bowl LI to beat the Atlanta Falcons in overtime, land at No. 21.

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 2000 Baltimore Ravens -- who defeated the New York Giants in Super Bowl XXXV behind the play of linebackers Ray Lewis and Peter Boulware, defensive lineman Tony Siragusa and defensive bac

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 1993 Dallas Cowboys -- who defeated the Buffalo Bills in Super Bowl XXVIII behind the play of quarterback Troy Aikman, running back Emmitt Smith, wide receiver Michael Irvin, defensive en

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 1950 Cleveland Browns -- who finished with a 10-2 record, led by head coach Paul Brown, quarterback Otto Graham, kicker Lou Groza and fullback Marion Motley -- land at No. 25.

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 1958 Baltimore Colts -- who were led by head coach Weeb Ewbank, quarterback Johnny Unitas and fullback Alan Ameche and defeated the New York Giants in the "Greatest Game Ever Played" -- l

"NFL 100 Greatest" ranks the top 100 teams in NFL history, and the 1969 Kansas City Chiefs -- who defeated the Minnesota Vikings in Super Bowl IV behind the play of Hall of Famers in quarterback Len Dawson, defensive tackle Buck Buchanan, defensive tackl