In a battle royal before WrestleMania XXIV, Kane won by last eliminating former rival Mark Henry, earning a match for the ECW Championship against Chavo Guerrero later that night. Kane defeated Guerrero in the second fastest WrestleMania match with a record-setting eleven seconds to win the ECW Championship. Shortly after winning the championship, Kane officially joined the ECW brand. At Backlash, Kane successfully defended the ECW Championship against Guerrero. He then continued teaming with CM Punk to earn a WWE Tag Team Championship match at Judgment Day, which they lost to John Morrison and The Miz. As part of the 2008 WWE Draft, Kane was drafted to the Raw brand, making the ECW Championship exclusive to Raw. Kane lost the ECW Championship to Mark Henry at Night of Champions in a triple threat match that also involved Big Show.