Fight Night Oklahoma City was announced recently and a host of fights have been revealed. UFC Minute host Lisa Foiles details the fights in today's UFC Minute, including BJ Penn vs. Dennis Siver.

Watch the post-fight press conference live following the event.

MMA veterans Dennis Siver and Tatsuya Kawajiri have a combined 55 career victories. Here both fighters talk about their featherweight co-main event bout at Fight Night Berlin on UFC FIGHT PASS.

Featherweight Dennis Siver uses his power and lands a huge left hook on Naoyuki Kotani to end the fight with a knockout victory. Siver aims to do the same thing when he faces Tatsuya Kawajiri during the main card at UFC Fight Night in Berlin, Germany.

A threat on the ground and on the feet, Dennis Siver is looking to get back on track when he faces Tatsuya Kawajiri in the co-main event of Fight Night Berlin on June 20.

UFC featherweight champion Jose Aldo offers his take on a wide variety of topics, including his fight with Chad Mendes, Conor McGregor's position in the featherweight division, and where he'd like his next title defense to take place.

The stars of Fight Night Boston hit the scale in anticipation of their bouts Sunday night!

We take a look at UFC featherweight Dennis Siver's technique the tools that he has in order to take the win home from Fight Night Boston.

Dennis Siver talks about how disrespectful Conor McGregor has been leading up to Fight Night Boston and how he plans to punish him for what he's said.

Top 10 featherweight contender Dennis Siver battles Paul Kelly inside the Octagon at UFC 105. Siver looks to knock off rising star Conor McGregor in the main event at Fight Night Boston.

Take an in-depth look ahead to UFC Fight Night Boston with Unibet as Dan Hardy and John Gooden preview the main event between Conor McGregor and Dennis Siver.

Irishman Conor McGregor, winner of four straight, continues to make good on his promise to run through the 145lb. division. Standing in McGregor's way of a UFC title shot is vet Dennis Siver. The two will go to war at Fight Night Boston on January 18th.