TMZ Sports has obtained video moments after UFC star Brian Ortega allegedly slapped a Korean man at UFC 248 ... and you can hear Ortega say, "I told you I'd slap you like a bitch."
It all went down in the stands at T-Mobile Arena in Vegas on Saturday -- when 29-year-old Ortega approached Jay Park, a Korean musician who recently served as a translator for Korean UFC fighter Jung Chan Sung (known as "Korean Zombie").
Ortega was reportedly upset with Park over comments he made while translating for Korean Zombie during a recent appearance on "Ariel Helwani's MMA Show.