I know he's done it before. It's more like a 96% of the time rule. Every once in a while, they want something different to happen after the match, but still want Kane to win. So he blows the ringposts beforehand.
-Jag
"You gotta hate somebody before this is over. Them, me, it doesn't matter."
"Hate, who do I hate? You tell me."
"Who do you love?"
-Wintermute to Case in William Gibson's Neuromancer