Abraham vs. Ikeke
On 10 December 2005, in Leipzip, Germany, Abraham won he vacant IBF middleweight title against Kingsley Ikeke (23-1, 13 KOs) by a 5th round knock-out. The IBF belt had previously been vacated by undisputed champion Jermain Taylor after a bout with Abraham was denied in October that year. In the fifth round Arthur met Ikeke with hard shots to the head. Ikeke began to tumble toward the canvas and Abraham landed some final rights to seal the victory.
Abraham defended his title on 5 March 2006 with a unanimous decision against Australian Shannan Taylor. Two months later, Abraham won a second title defense against Kofi Jantuah, also on points.
On 23 September 2006, Abraham won a decision against undefeated contender Edison Miranda despite having his jaw broken in two places in round four. Miranda took advantage of this by fighting dirty. Miranda was docked five points for landing repeated low blows as well as intentionally head butting Abraham. However, even without the five points deducted, Abraham would have still won the fight (114-109, 115-109, 116-109). Abraham's jaw was operated on the night after the fight. He had 22 screws inserted into two titanium plates. After the Miranda bout, Arthur was praised for his ability to finish the fight despite his injury.
Abraham defeated Canadian Sebastien Demers by KO in the third round after two minutes and fifty-seven seconds. Abraham was clearly physically superior than his opponent. Arthur won his fifth title defense by defeating fellow Armenian Khoren Gevor by 11th-round knockout from a powerful left hook.
On 8 December 2007, Abraham defeated Wayne Elcock to make his sixth title defense by technical knockout in the fifth round.
During two of his matches, Abraham was accompanied by live performances of the Scorpions and is currently accompanied by the track "Ready For The Fight" by The Young Punx.
On 29 March 2008, Abraham defeated American Elvin Ayala via 12th-round KO after connecting with a devastating left hook that sent his opponent crashing into the canvas face first. This was Abraham's 7th successful title defense.
In his first match off the tournament, Abraham faced Jermain Taylor on 17 October 2009. Arthur was previously supposed to fight Taylor for the undisputed middleweight title, but the fight fell through. Abraham defeated Taylor via a devastating knockout in the 12th round. Taylor was hospitalized with a severe concussion, suffering short-term memory loss, unable to remember details of this bout. Taylor was replaced with veteran Allan Green in the tournament. After being released from the hospital, Taylor released a statement saying that he's doing just fine and wanted to congratulate Abraham on his victory and wish him well in the tournament. Former heavyweight champion Mike Tyson was in attendance and was impressed by Abraham's intensity and determination.
As of the end of 2009 The Ring has ranked Abraham as the 14th best boxer in the world. On 5 March 2010, Abraham was ranked #8 in the world by Yahoo! Sports.