Defeated Randy Orton by disqualification after Orton gave a low-blow to Christian in view of the official. The stipulations of the match allowed the championship to change hands on such a disqualification.
This was an Elimination Chamber match also involving Chris Jericho, Rey Mysterio, Mike Knox, and Kane. The championship becomes SmackDown exclusive as a result of Edge being a part of the SmackDown roster.
Originally, CM Punk was to defend his championship in a Championship Scramble match also involving John "Bradshaw" Layfield, Batista, Rey Mysterio, and Kane, but he was replaced by Jericho, who won the match and championship as a result of Punk sustaining a scripted injury.
This was a Triple Threat match also involving Randy Orton. Rey Mysterio also became the lightest World Heavyweight Champion. Also, championship is referred to as the "World Championship" during this and any other time Mysterio will hold the championship