UFC head honcho Dana White just issued a lifetime BAN on Nicolas Cage's son -- telling TMZ, "I would never allow Weston Cage to set foot in a UFC ring after two domestic violence arrests."
Weston previously told us, he was already training to fight in UFC -- and his dream would be to face off against Kimbo Slice in the Octagon ... but according to Dana, that will never happen.
TMZ broke the story ... Weston was arrested yesterday in L.A. for felony domestic violence -- his SECOND domestic violence arrest in less than a month.
No es bueno.
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