TMZ Sports has obtained footage of the terrifying 2015 standoff between ex-NFL player Ray McDonald and the mother of his child ... video that was at the center of his domestic violence case.
The footage shows the ex-49ers cornering the woman in a dining room around 4 AM on May 25 -- while she was holding their 2-month-old child.
You can see McDonald's driver trying to calm down the massive defensive tackle while the woman is desperately pleading with him to go away.
After a tense 4 minutes, the driver says to Ray, "Let's go.