Diego Sanchez, 29 fights, KO/TKO'ed 1 time (BJ Penn Doctor Stoppage)
Nick Diaz, 35 fights, KO/TKO'ed 2 times
Carlos Condit, 36 fights, Never been KO'ed.
All 3 have incredible chins but Condit has never been KO'ed in 11 years of fights.
"Those who would give up essential liberty to purchase a little temporary safety, deserve neither liberty nor safety."---Benjamin Franklin