The best facts about UFC Vegas 117, which features Arnold Allen vs. Melquizael Costa in the main event.

Melquizael Costa takes the next step in his UFC ascent. "The Dalmatian" has sniffed out a path to the featherweight top 10 that runs through Arnold Allen. Costa is months removed from becoming the first person to stop Dan Ige.

UFC 328 will feature Khamzat Chimaev vs. Sean Strickland at Prudential Center in Newark, New Jersey. Here is the estimated ring walk time.

Go inside the numbers after UFC 328, where Sean Strickland, Jim Miller and more rewrote the history books with their wins.

TKO Group Holdings Inc. will bring seven boxing, wrestling, and bullriding events to the Valley over the next three years.

Before his main event Saturday, watch arguably the best performance of Arnold Allen's career against Dan Hooker.

For the first time in a long time, the UFC will set up shop in Oklahoma this summer.