Evander Holyfield makes a stunning return to the ring against former UFC light-heavyweight champion Vitor Belfort.

Tyson Fury, one of the greatest heavyweights of all-time. Born into the traveller community, fighting is in Tyson's blood. Named after the boxing legend, Mike Tyson, Fury was destined for greatness. Becoming the lineal heavyweight champion of the world in 2015, Tyson had completed his lifetime goal. However, despite being undefeated in the ring, his biggest battle came in another form: mental health.

David Haye and Tony Bellew clash in a Heavyweight blockbuster at The O2 in London.

Wladimir Klitschko defends his WBA (Super), WBO, IBF, IBO and The Ring heavyweight titles against David Haye in Imtech Arena, Altona, Hamburg, Germany.

Tony Bellew faces David Haye in a heavyweight rematch at the O2 in London.

David Haye defends his EBU European Cruiserweight title against Giacobbe Fragomeni at York Hall in London.

David Haye faces Derek Chisora for the vacant WBA Inter Continetal and WBO International heavyweight titles are the Boleyn Ground in London.

Jean Marc Mormeck defends his WBA Super and WBC World cruiserweight titles against David Haye at Palais des Sport Marcel Cerdan in Levallois-Perret, Hauts-de-Seine, France.

Jimmy Carr hosts a big fat night of pointless sports trivia.

From A-Z incorporates a wealth of footage and incredible facts from the past 13 years of Top Gear. Viewers get to see the greatest moments from the past 22 seasons, including behind the scenes of incredible builds, eventful trips abroad, exhilarating races, outrageous challenges, and the many famous faces who have graced the Dunsfold track.