Jeopardy! fans have no idea who David Faber is, but they're enjoying his guest-hosting stint

Yahoo!

The host of CNBC's Squawk on the Street made his debut on Monday with many fans expressing the same reaction -- that they have no idea who he is. But many also praised his hosting abilities, with one tweeting: "Wait a minute... Where did David Faber come from? This guy is a natural. It's either him or KenJennings for permanent host."

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