Such gladiators remained popular until the end of the gladiatorial games. The relation of gladiatorial games to the "ludi" is complex; see Gladiator. These were venues for gladiatorial combats and beast fights. The Romans produced gladiatorial combat as a public spectacle. Commodus usually took part on gladiatorial combats, which often symbolized brutality and roughness. The Romans found Commodus' gladiatorial combats to be scandalous and disgraceful. Some captives were sacrificed to Tezcatlipoca in ritual gladiatorial combat. The object of this might have been to protect the audience during gladiatorial combats. The Hulk transforms Madison Square Garden into a gladiatorial arena. Details of most of the gladiatorial combats are not recorded. Christians were arrested, tortured, mutilated, burned, starved, and condemned to gladiatorial contests to amuse spectators. Originally capable of seating 60,000 spectators, it was used for gladiatorial combat. Jaguar warriors also participated in gladiatorial sacrifices. In Roman gladiatorial tournaments masks were sometimes used. The deaths brought comparisons between board track racing and Roman gladiatorial contests.