Half-man half-orc men

[Kransha]

I was under the impression that uruk-hai were orcs bred with goblin men by Saruman, though Sauron still posessed many uruks after the fall of Isengard. According to some sources I remember, some wild men (perhaps Variags or Dunlendings) offered to be changed by Saruman to gain power and fighting prowess. They were half-orcs, part wild man, part orc.