Ex-UFC Star Brendan Schaub Rips Greg Hardy, His Run Will End Soon!

[[tmz:video id="0_z6fhqryd"]] Greg Hardy's had a nice run to start his fighting career ... but it'll all come crashing down as soon as he stops "fighting bums" -- so says ex-UFC star Brendan Schaub. We got the UFC fighter-turned-MMA analyst out at LAX…