Here's video of Cowboys player Terrance Williams getting into a heated altercation with stadium security after Sunday night's Cowboys-Eagles game in Dallas.
Williams was trying to return to his car after the Cowboys' big win ... when stadium security tried to stop him ... apparently not realizing he was on the squad.
What followed were a couple tense moments when security tries to prevent Williams from getting by ... before he weaves his way through, while being supported by fans who recognized him.
Cooler heads prevailed ... but one thing's obvious when you watch the video ... TERRANCE WAS PISSED!
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