How do we know? TMZ Sports spoke with Giants lineman D.J. Fluker -- one of the background dancers in Odell and Eli Manning's hilarious Super Bowl 52 ad -- and he confirmed OBJ's running and jumping wasn't just camera tricks.
D.J. also told us he's 100% confident Odell's "coming back with a vengeance" in 2018 after seeing him boogie down like his old, bad self.