Slammiversary is remembered for Joe being the first to retain a championship in a King of the Mountain match . The reported figure of purchasers for the event was 20 @,@ 000 , as reported by The Wrestling Observer Newsletter . Slammiversary had an attendance of 2 @,@ 000 people . Jon Waldman of the professional wrestling section of the Canadian Online Explorer rated the show a 7 out of 10 , which was lower than the 8 out of 10 given to the 2007 edition by Jason Clevett . After the event , an accident occurred which resulted in the death of one man and the injury of another .