What are the odds of a perfect season? Frelund on 50th anniversary of unbeaten '72 Dolphins

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NFL Throwback takes a look at the longest play that the Pittsburgh Steelers have had in a "Monday Night Football" game since the year 2000.

NFL Throwback goes down memory lane to uncover the best highlight from the 2015 Dallas Cowboys.

NFL Throwback goes down memory lane to uncover the top highlight made by the 2015 New York Giants.

NFL Throwback goes down memory lane to uncover the best highlight from the 2015 Philadelphia Eagles.

NFL Throwback goes down memory lane to uncover the best highlight from the 2015 Minnesota Vikings.

NFL Throwback goes down memory lane to uncover the best highlight from the 2015 Buffalo Bills.

NFL Throwback goes down memory lane to uncover the best highlight from the 2015 Cleveland Browns.

NFL Throwback goes down memory lane to uncover the best highlight play from the 2015 Green Bay Packers.

NFL Throwback goes down memory lane to uncover the best highlight play made by the 2015 Miami Dolphins.

NFL Throwback goes down memory lane to uncover the best highlight play from the 2015 New York Jets' season.

NFL Throwback goes down memory lane to uncover the best highlight from the 2015 New England Patriots.

NFL Throwback goes down memory lane to relive the best highlight moment from the 2015 Tampa Bay Buccaneers.

NFL Throwback goes down memory lane to relive the best highlight moment from the 2015 Atlanta Falcons.

NFL Throwback goes down memory lane to relive the best highlight from the 2015 New Orleans Saints' season.

NFL Throwback goes down memory lane to relive the best highlight from the Carolina Panthers' 2015 season, which featured the team posting a league-best 15-1 record during the regular season.

NFL Throwback goes down memory lane to relive the best highlight from the Rams' 2015 season.

NFL Throwback goes down memory lane to relive the best highlight from the Arizona Cardinals' 2015 season.

NFL Throwback goes down memory lane to relive the best play from the Seattle Seahawks' 2015 season.

NFL Throwback goes down memory lane to relive the top highlight from the 2015 San Francisco 49ers.

NFL Throwback goes down memory lane to relive the top highlight moment from the Indianapolis Colts' 2015 season.

NFL Throwback goes down memory lane to revisit the top highlight moment from the Houston Texans' 2015 season.

NFL Throwback goes down memory lane to relive the best highlight play from the 2015 Tennessee Titans.

NFL Throwback goes down memory lane to relive the top highlight moment from the 2015 Jacksonville Jaguars.

NFL Throwback goes down memory lane to relive the best highlight from the Denver Broncos' 2015 season.