Cowboy "Muras" is Rib eye on the bone. The cowboy steak consists of one large muscle and several smaller ones.
Tibon "Muras" is a large piece of meat with a T-shaped bone. A piece is cut in such a way that two types of meat are combined in one steak. This is the most delicate tenderloin and the thin edge of the sirloin. The tenderloin literally melts in your mouth.
New York "Muras" is a more "brutal" steak, consisting of a single muscle.
Rib-eye "Muras" is the meatiest cut from the front of the carcass.