Ken Jennings on winning Jeopardy! Greatest of All Time: "I just remember feeling shock"

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"I’ve been in a lot of these Jeopardy! super tournaments and I have an amazing talent for finishing second,” he joked on GMA. “So I had no idea what to do when you actually win. It turns out you walk over and stand by Alex (Trebek).” Jennings also explained his decision to bet zero dollars in Final Jeopardy. “There’s a little bit of math that goes into wagering on Jeopardy!” Jennings explained. “And generally what happens is the person in second should often make a very small wager. You’re counting on the person in first to make a big wager, so it doesn’t matter at that point. If they get it wrong, they’re out. So it doesn’t matter what you wager, you want to risk as little as possible for that eventuality.” ALSO: Jeopardy! Greatest of All Time falls in the ratings with its final episode.