Johnny Manziel spent his Thursday night pounding champagne in a hot Miami nightclub, not really a smart way to spend the night hours after officials announced his domestic violence case was going to a grand jury.  Yea there’s a such thing as drinking away your sorrows but not wise in his case.

TMZ Sports spoke with multiple witnesses (including a staff member) — and obtained video — showing the embattled QB drinking straight from what appears to be a champagne bottle at Story nightclub in Miami.

Manziel tried to go semi-incognito in a big hat and sunglasses, but it’s obvious it’s him.

Hours before Johnny hit the club, the Dallas PD announced the investigation into allegations Manziel struck Colleen Crowley on Jan. 30th was sent to the grand jury, which will decide if charges should be filed against him.

There’s a lot at stake for Johnny, not just his NFL career, but jail time is on the table if he’s ultimately convicted of misdemeanor assault/domestic violence.

Maybe the move to party is to show people he’s not worried but it doesn’t seem like the best PR move to us, considering his past that includes a stint in a treatment center.  He never said what the treatment was for but it was reportedly for alcohol.

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*photos in gallery above*