Golf's new indoor league is set to tee off — here's what to know

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The brand-new, indoor, tech-infused golf league backed by Tiger Woods and Rory McIlroy tees off tonight on primetime television. I'm guessing you have a lot of questions, so here's a guide to TGL golf.

What does TGL stand for?

Tomorrow's Golf League — a nod to TMRW Sports, the techy sports and entertainment company founded by Woods, McIlroy and a former NBC golf executive.

What is TGL, exactly?

In a nutshell, it's a primetime, indoor, 3-on-3 team golf league for top PGA Tour pros. It's played in a huge custom-built facility in Florida with a bunch of fancy technology to make it as close to "real" golf as possible. Matches are played in a TV-friendly two hours, the players will be mic'd up, and the venue seats more than 1,000 fans.

Indoor golf? How does that work?

You're probably familiar with those indoor golf simulators that seem to be popping up everywhere these days. They're especially popular this time of year, helping golfers pass the long winter months by hitting into a video screen that shows the flight of the ball as they play a virtual course.

Well, picture that, except the TGL screen is 64 feet high by 53 feet wide — 24 times larger than a standard simulator. The playing area is much bigger too — about the size of a football field. It's made up of two sections: a screenzone and a greenzone, where golfers will play their shorter shots more like real golf.

Each hole starts with players hitting their tee shots from a big square of natural grass into the giant screen 35 yards in front of them. Depending on where the ball "lands," according to the simulator, they'll