Tom Goldman

The world of professional sports is a revolving door – athletes come and go.

Sunday, there was an arrival in the NBA that resonated a bit more.

Twenty-three-year-old Quinn Cook signed a 10-day contract with the Dallas Mavericks. For Cook, a personable and popular player, it's his first regular season call up to the NBA. For the past season and-a-half, he's been playing in the D League — pro basketball's minor league.

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And now it's time for sports.

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Finally, today, they will play football.

The Atlanta Falcons take on the New England Patriots in Super Bowl 51.

After an NFL season of sagging TV ratings, it's expected today's game, in Houston, will do what Super Bowls always do — turn 60 minutes of football into a national holiday.

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The U.S. men's national soccer team is back in action with a game against Serbia on Sunday. It's a so-called friendly, meaning it's not part of any official competition.

But it will provide a first look at the team under its new head coach or, more precisely, its new old head coach.

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Administrations come and go, but now it's time for sports.

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And it's time for sports.

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SIMON: It's less than a month until the Super Bowl. And the NFL playoffs begin today. NPR's Tom Goldman joins us now for the first time in 2017. Good morning, Tom.

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Voters in seven more states said "yes" to marijuana this month. Pot now is legal for recreational or medicinal use in more than half the country.

It's still against federal law and classified as a Schedule 1 drug, meaning U.S. officials consider marijuana to have a high risk of abuse or harm, and no accepted medical use in treatment. Also, it's still banned in professional sports.

To say the mood at Progressive Field in Cleveland was electric the last two nights is the understatement of the baseball season.

The first two games of the World Series brought sellout crowds, mostly made up of Indians fans, totaling more than 38,000 both nights. Everywhere you turned, there were happy Clevelanders sporting Indians jerseys, jackets, hats and t-shirts.

The Cleveland Indians are hot stuff.

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