Josh Allen improvises before finding T.J. Yeldon for 20 yards | AFC Championship

Buffalo Bills quarterback Josh Allen improvises for unorthodox 20-yard strike to running back T.J. Yeldon.

With the Super Bowl LV officially in the books, the Bills and 31 other NFL teams are set to prepare for the 2021 season.

Take a look back at some of the best moments from the Buffalo Bills 2020 season. The Bills finished 13-3 in the regular season, winning the AFC East Division and advanced to the AFC Championship.

See a countdown of the 10 best highlight plays made by the Buffalo Bills in the 2020 NFL season.

Watch the highlights of Buffalo Bills wide receiver Stefon Diggs from the 2020 season.

Watch the regular season and postseason highlights of Buffalo Bills quarterback Josh Allen from the 2020 NFL season.

Check out the best plays by Buffalo Bills quarterback Josh Allen against the Kansas City Chiefs in the AFC Championship Game.

Watch the highlights from the AFC Championship Game between the Buffalo Bills and the Kansas City Chiefs.

Buffalo Billas linebacker Tremaine Edmunds secures onside kick for Bills after perfect kick by kicker Tyler Bass.

Stefon Diggs makes a big play.

Isaiah McKenzie finds the end zone.

Buffalo Bills wide receiver Cole Beasley puts Bashaud Breeland on skates for 23-yard pickup.

Buffalo Bills safety Jordan Poyer makes a big third-down tackle to stop the Kansas City Chiefs.

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Kansas City Chiefs wide receiver Mecole Hardman's muffed punt sets Buffalo Bills up at Chiefs' 3-yard line

Buffalo Bills quarterback Josh Allen weaves through Chiefs defense, scrambles for 18 yards.

Kicker Tyler Bass booms a 51-yard field goal to put the Buffalo Bills on the scoreboard and set the new mark for longest playoff field goal at Arrowhead Stadium.

Buffalo Bils quarterback Josh Allen flicks toss out to tight end Dawson Knox to convert early fourth down.

Bills keep proving the doubters wrong as they continue to advance in the 2020 postseason.

Relive Cornerback Taron Johnson's historic pick six from several angles, including John Murphy's energetic call and Tremaine Edmunds mic'd up, during the Bills 17-3 win over the Baltimore Ravens in the AFC Divisional Round.

Watch every big play by the Buffalo Bills' defense from their win over the Baltimore Ravens in the Divisional Round of the playoffs.

The Bills advanced to the AFC Championship game with a convincing 17-3 win over Baltimore.

Watch every catch by Buffalo Bills wide receiver Stefon Diggs from his 106-yard game against the Baltimore Ravens in the Divisional Round of the playoffs.

Buffalo Bills' relentless pass rush drops Huntley for major loss on sack.

Buffalo Bills cornerback Taron Johnson outraces Lamar Jackson on 101 YARD pick-six.