What's the Kennection? #51

Welcome to Kennections, a weekly quiz created by Jeopardy! champion/co-host Ken Jennings. Here's how to play: All five answers to the questions below have something in common. Can you figure it out? (Note: We've given you a hint by showing you how many letters are contained within the answer, but this quiz is not interactive.)

1. What sportscaster, a former Harvard basketball star and roommate of Cornel West, has hosted The NFL Today since 2017?

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2. What rock legend of hits like “Runaround Sue” gave up his seat to Ritchie Valens on the ill-fated plane that crashed in 1959?

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3. Gene Hackman was fired from the movie The Graduate for appearing too young to play what cuckolded character?

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4. According to his original 1955 TV theme song, who “was once a little green slab of clay”?

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5. Japanese soba noodles and Russian blini are both traditionally made with what gluten-free “pseudo-grain”?

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