Josh Koscheck- He's a good fighter, and a fierce competitor. But the fact that he has to fake an injury (knee, poke,etc.) to change slow the pace of the fight will always, irrevocably ingrain him as a cheat and a dirty fighter.
phantom eye poke vs Rumble
phantom illegal knee vs paul daley
Manny Gamburyan- Fakes a glove touch and throws a dirty spinning back kick. textbook dirty move.
Fake glove touch to kick to the chest combo against Jeff Cox
"Cup" Cheick Kongo - Notorious for being a walking vasectomy. Also, has kung-fu grip on shorts.
"Cup" Cheick on CroCop
"Cup" Cheick in retaliation to an accidental knee by Al-Turk
Don't have the pic of kung-fu grip, but it was against Travis Browne at UFC 120.
Gray Maynard- Self KO from a slam, and yet still, to this day, denies that he was out. Guess he was just pretending to be limp, unmoving, and out of it to lure his opponent to stop fighting and turn his back to he could pull a 3 stooges, fight-ending, bolo punch.
Self KTFO slam vs Emerson
Post some photo evidence of dirty/cheap/illegal moves or tactics used by some dirty fighters in MMA.