Standing between the rest of the MLS and Atlanta United's goal is the formidable Brad Guzan.

Preview: Atlanta United to kick off second season

Atlanta United will kick off its second season in just over a week - with the regular season starting on March 3 in Houston.

The Atlanta Journal-Constitution takes an in-depth look at Atlanta United and MLS in a series of preview stories.

> Brad Guzan: They call him Mr. Clean Sheet for a reason.

> Ezequiel Barco: What is Atlanta United getting for $15 million and will the transaction change MLS?

> Atlanta United: Five keys to the season

> Atlanta United: The roster

> Atlanta United:  Key games and schedule

> MLS: Five of the best road trips

> MLS: From A to Z

> MLS: Team-by-team capsules previewing upcoming season

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