In a police report, cops said they were called to The Cosmopolitan to investigate claims that Kalabrya had attacked the Pittsburgh Steelers quarterback in their hotel room.
In the docs, cops noted Dwayne had a busted lip that needed stitches, as well as a missing tooth -- and they eventually arrested Kalabrya.
In police video we obtained, you can see she wasn't pleased about being taken into custody ... asking officers inside of the hotel, "Are you serious?! So, I'm under arrest?!"
Kalabrya -- who said in the docs she and Dwayne had been married since March 2021 -- was later charged with felony domestic violence battery.
We reached out to Kalabrya's attorney for comment on the disposition of the case, but so far, no word back yet.
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The couple, meanwhile, has seemed to have moved on from the incident well -- Kalabrya has been spotted at Dwayne's games recently in Pittsburgh ... while Dwayne posted a mushy love note to her in December for her birthday.