From usbets.com:
During his introduction on the show, Trebek needled him with a question about his profession.
“James Holzhauer is from Las Vegas. He is a professional sports gambler. What does that mean, exactly?†Trebek said.
“Oh, I’ll bet on anything,†Holzhauer replied. “Why, are you looking for a little action on the [Stanley] Cup this year? I like the [Tampa Bay] Lightning.â€
“Oh, really? No, I’m not looking for any action whatsoever,†Trebek said. “I go to Vegas for the shows, not the gambling.â€