Caveat emptor!
That was how the ancient Romans would warn the public about a woeful mistmatch. If I’m not mistaken, the Latin phrase was often uttered before those underdog Christians were fed to the starving lions on Sundays at the Colosseum.
I’m not saying boxing agent/renegade/memorabilia expert Johnny Bos is any kind of Latin scholar but I did hear him holler about how he considers the Nov. 13 Antonio Margarito-Manny Pacquiao bout at Cowboys Stadium to be a con job foisted upon a gullible public.