However, it seems possible that the site was occupied some centuries before the foundation of Monte Albán, as evidenced by the corresponding Rosario Phase ceramics found in the Oaxaca central valleys (700 – 500 BCE).

The architectural style of this site is important due to the unique structure characteristics that distinguish it from others in the Valley of Oaxaca; these reflect a high artistic quality, as in the case of the lower platform of building A, which has a bas-reliefs gallery representing, what have long been thought to be, ballgame players.

Dainzú built against a hill, apparently for aesthetic reasons the original entrance was on the side of the River at the west end.

The site is located beside a tributary of the Rio Salado,[2] while steps and chambers carved into the rock on the peak above perhaps belonged to a shrine.

According to Ignacio Bernal hypothesis, these represent ballgame players whose position reveals movement, probably were placed during a reconstruction of the platform, reason there does not seem to be any arrangement.

[7] Interspersed among the representations of ballplayers are a small number of bas-reliefs depicting priests making offerings, these stones are incised with calendrical dates and may represent specific rituals related to the ballgame.

The upper terrace is the highest and is formed by an almost vertical wall of more than 5 meters high with rounded corners, access was through a roofed stepped indoor passage.

During the different construction stages, changes were made, for example the addition of rooms, stairways and walls, with the essential aim of repairing building damages and prepare for new and other uses.

At the hill summit of this building, is a large number of natural rocks protruding from the vegetation and representing severed heads, probably related to ball players.

[7] Forty-seven of these represent ball-players wearing protective equipment such as helmets, knee-guards and gauntlets and holding a small ball in one hand.

According to researcher Heather Orr, the reliefs form a processional sequence, showing specific moments from a ritual "fixed ball game with human sacrifice as the final outcome".

Comprises a huge structure with a set of large walls rooms and beautiful stairways and patios that provide access to their different parts and correspond to different constructive times.

It has six architectonic overlays, corresponding to different periods; the building has an important tomb with a jaguar bas-relief on a monolithic rock that forms the entrance.

Only one half of the ballgame court has been excavated and restored; It has small stone blocks resembling steps and were covered with stucco to form a sloped surface.

Was built with engraved irregular stones jointed with clay mortar and pebbles or remnants of ceramics; It was covered with a thin stucco layer.

Players clothing consisted of a very particular combination of pants, knee pads, face masks or feline helmets and tapes among other elements.