It has been another eventful year for the sport of boxing.
New champions have been crowned, with old rulers dethroned. Old legends have retired and fresh faces have emerged to try and take their place, while there have been some spectacular upsets, too.
talkSPORT.com has taken a look back through the entire year to summarise the best of the action below…
It began with a big fight on just the second day of the year.
Highly-rated lightweight contender Ryan Garcia was tested for the first time as Luke Campbell floored him in round two.
However, he climbed off the canvas to score a statement body shot knockout which turned out to be the last punch Campbell will take as he retired six months later.
Also in January, Caleb Plant retained his IBF super-middleweight title by beating Caleb Truax.
Josh Warrington was stunned by Mauricio Lara as the Mexican underdog handed him his first career defeat by KO.
Josh Kelly also suffered his first loss as he was stopped by European welterweight champion David Avanesyan.
Oscar Valdez scored the statement performance of the month, rising up to become a two-weight champion against the odds with a beautiful KO of fellow Mexican Miguel Berchelt.
Canelo Alvarez ended February by battering mismatched mandatory Avni Yildirim, and Adrien Broner also returned with a contentious win over Jovanie Santiago.
Here, we saw one of the best fights of the year as Juan Estrada got the nod by split decision in his epic rematch with Roman ‘Chocolatito’ Gonzalez.
Lawrence Okolie crowned himself WBO cruiserweight world champion with a statement knockout of Krzysztof Glowacki.
Welterweight contender Vergil Ortiz Jr passed another tough test as he stopped Maurice Hooker.
And Dillian Whyte exacted revenge on Alexander Povetkin, knocking out the man who previously flattened him seven months prior.
At the start of the month, Carl Frampton’s shot at history ended in defeat and retirement as Jamel Herring denied him the chance to become a three-weight world champion.
Conor Benn established himself as a rising welterweight contender with a first-round stoppage of Samuel Vargas, and young American welterweight Jaron ‘Boots’ Ennis had an even more impressive win as he knocked out Sergey Lipinets.
Demetrius Andrade successfully defended his WBO middleweight title against Liam Williams, while Sunny Edwards put on a masterclass performance to dethrone Moruti Mthalane and become IBF flyweight king.
Triller hosted their first bizarre show of the year, headlined by YouTuber-turned-boxer Jake Paul KOing Ben Askren inside one round.
Joseph Parker beat Derek Chisora by split decision in their close first fight, while Katie Taylor outworked Natasha Jonas in a thriller on the undercard.
Andy Ruiz Jr finally returned to the ring 18 months on from his defeat to Anthony Joshua and recovered from a shock knockdown to beat Chris Arreola on points.
Fresh from the Yildirim win, Canelo jumped into a unification with Billy Joe Saunders and took home the three titles as he fractured the Brit’s eye socket, ending the fight in round eight.
Josh Taylor travelled to America to unify the entire super-lightweight division, flooring Jose Ramirez twice to win a unanimous decision which saw him crowned undisputed WBA, WBC, IBF and WBO world champion.
Also, Brandon Figueroa dethroned Luis Nery for the WBC super-bantamweight title, Devin Haney rode out a storm to beat Jorge Linares and retain his WBC lightweight belt, while Nonito Donaire rolled back the years to KO Nordine Oubaali and win the WBC bantamweight title.
Floyd Mayweather stepped back into the ring and went eight rounds with Logan Paul in a money-spinning exhibition bout.
Naoya Inoue knocked out Michael Dasmarinas in a mandatory defence of his bantamweight belts, while Jermall Charlo outpointed Juan Macias Montiel to keep his middleweight title.
In one of the biggest upsets and KOs of the year, Gabriel Rosado blasted highly-rated Uzbek prospect Bektemir Melikuziev.
And at the end of the month, Gervonta Davis and Vasyl Lomachenko picked up good wins over Mario Barrios and Masayoshi Nakatani respectively.
This month saw the second undisputed title fight of the year, but this time no champion was crowned.
Jermell Charlo drew with Brian Castano with all four super-welterweight belts on the line.
Joe Joyce stopped Carlos Takam in a heavyweight clash, and Leigh Wood stunned Can Xu as Fight Camp returned in the Matchroom HQ back garden.
Fight Camp continued with Kid Galahad beating Jazza Dickens to become IBF featherweight champion before Joshua Buatsi continued his progression with a KO of Ricards Bolotniks.
Welterweight Vergil Ortiz Jr picked up another solid win as he stopped Egidijus Kavaliauskas.
At the top end of that division, Manny Pacquiao returned to the ring for what would turn out to be his final fight. At 42, the legend said goodbye to the sport after being outpointed by tricky Cuban Yordenis Ugas.
Jake Paul rounded off the month as he survived a scare to beat Tyron Woodley, while Tommy Fury overcame Anthony Taylor on the undercard.
Warringon’s shot at revenge over Mauricio Lara was scuppered by a head clash which saw their rematch end prematurely as a technical draw.
There was controversy over a positive drugs test for Oscar Valdez before his win over Robson Conceicao, as he was ultimately allowed to fight on.
In a Triller horror show, 58-year-old Evander Holyfield returned to the ring and was knocked out in one round by Vitor Belfort.
David Haye bizarrely fought on the same show and went eight rounds in an exhibition with his friend Joe Fournier.
Anthony Joshua finally stepped into the ring for his first fight of the year at the end of September.
He had for a long time been in negotiations for the undisputed clash against Tyson Fury, only for this to fall apart at the last minute due to Deontay Wilder’s arbitration victory.
As a result, AJ was tasked with a mandatory defence against Oleksandr Usyk, which proved too tough for him to overcome as he was hurt, outboxed and dethroned by the magnificent Ukrainian.
Attention then turned to Fury and Wilder at the start of October.
The pair exchanged a total of five knockdowns as their heavyweight epic for the ages, with the ‘Gypsy King’ emerging victorious by KO in round 11.
Liam Smith stopped Anthony Fowler in an entertaining all-Liverpool affair.
Back over in the US, Mikey Garcia was stunned by Spain’s big underdog Sandor Martin, who beat the former four-weight champion on points.
At the end of October, Shakur Stevenson had a coming-of-age victory as he stopped Jamel Herring and won the WBO super-featherweight title to become a two-weight champion at just 24.
Canelo kept up his active streak and went in search of the final super-middleweight belt, meeting Caleb Plant in 2021’s third undisputed fight.
The Mexican once again proved his greatness as he stopped the American to become the WBA, WBC, IBF and WBO champion.
There was a night of upsets in Sheffield as Alycia Baumgardner stopped Terri Harper and Spain’s Kiko Martinez KOd Kid Galahad to become a two-weight champion at age 35.
Terence Crawford returned to action with the best win of his career to date – a tenth-round stoppage of the always tough Shawn Porter, who retired after the defeat.
Stephen Fulton got the nod for a contentious split decision win over Brandon Figueroa to unify the WBC and WBO super-bantamweight titles.
And at the end of November, a year on from his historic win over Vasyl Lomachenko, Teofimo Lopez’s world came crashing down around him.
The WBA, WBC ‘franchise’, IBF and WBO lightweight champion was upset by Australian mandatory George Kambosos Jr, who put on a heroic performance to win the belts.
The lightweight theme continued as Devin Haney secured a career best win over Jojo Diaz, Gervonta Davis overcame Isaac Cruz and Lomachenko outpointed Richard Commey.
Anthony Yarde stopped Lyndon Arthur in their rematch to put himself in position for a light-heavyweight world title shot in 2022.
Conor Benn continued his progression with a sensational one-punch KO of Chris Algieri.
On the final active weekend of major fights in 2021, Joseph Parker secured a more emphatic points victory in his rematch with Derek Chisora.
And Jake Paul ended on a high note, KOing Tyron Woodley to move to 5-0 with more big fights on the horizon.
Bring on 2022…