A quick look at the sport, the product and what to expect at this Saturday’s show:

When was the first event?

UFC 1 was held in Denver, Colo., on Nov. 12, 1993. There were 2,800 fans in attendance.

Who owns the UFC?

Lorenzo and Frank Fertitta each own 40.5 percent of the UFC. The brothers became billionaires as owners of the Station Casinos company. Flash Entertainment, which is owned by the Abu Dhabi government, purchased 10 percent of the company in January and UFC president Dana White owns nine percent.

How many states regulate mixed martial arts?

MMA is regulated in 44 states with athletic commissions.

How are decisions reached?

There are three judges ringside who score each round on a 10-point system.