Their rivalry has gripped the boxing world for years, but what is the truth behind their bitter feud and can it be resolved in the ring?

Mar 20, 2011 - Stacie Dexter

The Klitschko's rule the world heavyweight division, holding the majority of the major title belts. Can anyone maintain a challenge to their domination?

Sep 20, 2011 - Mike Godfrey

For the second time, Wladimir Klitschko pulls out of a title fight with Derek Chisora as talks continue for a unification bout with David Haye on July 2.

Mar 5, 2011 - Mark Dodge

Despite intense negotiations, Klitschko will fight Derek Chisora, not Haye, in April, while the biggest heavyweight fight in years goes down the drain.

Jan 6, 2011 - Mark Dodge

Despite intense negotiations, Klitschko will fight Derek Chisora, not Haye, in April... while the biggest heavyweight fight in years goes down the drain.

Jan 6, 2011 - Mark Dodge

Wladimir and Vitali Klitschko hold all the heavyweight hardware on the planet, but hope for a unification fight between them hinges on motherly approval.

Jul 3, 2011 - Mitch Evans

Forget the snub by HBO, Ring Magazine belts or challenging David Haye, the Klitschkos must fight each other to determine who is king of the heavyweights.

Oct 17, 2010 - Mark Dodge

On Saturday, Jan. 22, the former champion meets Sherman Williams at The Greenbrier resort in W.V. But talk continues to focus on Klitschko-Holyfield.

Jan 18, 2011 - Mark Dodge

Part 2: If Ruslan Chagaev isn't allowed to fight in England, will the WBA mandate David Haye fight Alexander Povetkin? Or will Haye-Chagaev head to Germany?

Mar 3, 2011 - Mark Dodge

David Haye captured the WBA World Heavyweight Championship in Nuremberg on November 8th, outpointing defending Russian champion Nikolai Valuev.

Nov 8, 2009 - Steven Pink

Part 1: The WBA has mandated David Haye fight Ruslan Chagaev next. But Ruslan's Hepatitis B test may KO the fight in England.

Mar 2, 2011 - Mark Dodge

Part 3: Can Audley Harrison complete one of the sport's greatest comebacks and take the title from David Haye? The answer comes Saturday.

Nov 12, 2010 - Mark Dodge

The WBA champ dishes on Povetkin, Chagaev and Klitschko; ponders how he'd have fared against Ali; and laments his inability to find a 'great opponent.'

Mar 1, 2011 - Mark Dodge

Part 2: Believing he was betrayed by David Haye, Audley Harrison promises to knock out the champ and claim the heavyweight title for himself.

Nov 12, 2010 - Mark Dodge

Part 4: David Haye crushes Audley Harrison, states he bet on a third-round KO, insults American heavyweights and calls out the Klitschkos. Boxing is back.

Nov 15, 2010 - Mark Dodge

The city of Los Angeles has produced plenty of great fighters, but never a world heavyweight champion boxer. Chris Arreola will try to change that.

Sep 18, 2009 - Jon Matsune

A quick look at the Heavyweight scene with a short preview of the upcoming championship fights.

Feb 8, 2011 - Jordan Brown