Many in the NFL and other pro sports believe watching gamers play games competitively is more than fun. It's a potential path to profit for teams that want to buy into eSports and expand their product lineup without a huge spend.

The NFL interest is part of an emerging trend whereby pro sports franchises have created or bought eSports teams. The goal: to broaden their horizons and engage with an established audience that often is beyond the reach of their primary sport.

The Dallas Cowboys have discussed buying an eSports team. And they're not alone. Expect news soon.

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