Johnny Nitro made his ECW debut on June 19 with a win over Nunzio , and few days later , on June 24 , at Vengeance : Night of Champions , he won the vacant ECW World Championship in a match against CM Punk , making it his first world championship in WWE , when he was called upon to replace the missing Chris Benoit due to a " family emergency "
family emergency
Chris Benoit double-murder and suicide
John Morrison (wrestler)