Check out Dennis Siver as he stepped up the pressure late in the fight to get the better of BJ Penn at UFC Fight Night
Watch the UFC Fight Night: Chiesa vs. Lee post-fight press conference live following the event at the Chesapeake Energy Arena in Oklahoma City.
UFC Hall of Fame inductee B.J. Penn nearly walked away after his loss in January but has regrouped and is ready to take it as
Check out Cub Swanson's Fight of the Night victory over Dennis Siver from UFC 162 in 2013 before he faces Artem Lobov at UFC Nashville.
24 hours after Dennis Siver withdrew from UFC 199 due to an undisclosed injury, the UFC has found a replacement to face former lightweight champion
BJ Penn is awaiting a new opponent after he was told that Dennis Siver had to withdraw from UFC 199 due to injury.
UFC Hall of Fame inductee B.J. Penn comes out of retirement at UFC 199 to take on Dennis Siver in what he hopes is one
The UFC on Wednesday issued a statement on its investigation into the sexual assault allegations leveled at UFC Hall of Fame fighter BJ Penn.
UFC Hall of Famer and two-division former champion BJ Penn will officially end his retirement when he returns to the Octagon to fight Dennis Siver
Keeping his hopes of one day fighting for a UFC belt alive, Tatsuya Kawajiri earned a unanimous nod in his win over Dennis Siver at
Before the 22 fighters competing on the UFC Fight Night 69 fight card step inside the octagon on Saturday, they had to officially weigh-in on
Things got a little physical between champion Joanna Jedrzejczyk and challenger Jessica Penne at Friday's UFC Fight Night 69 weigh-in in Berlin.
Watch the official weigh-in for UFC Fight Night 69: Jedrzejczyk vs. Penne streaming live from Berlin, Germany, on Friday at 10 a.m. ET/7 a.m. PT.
UFC fighter and analyst Dan Hardy breaks down Saturday's UFC Fight Night 69: Jedrzejczyk vs. Penne fight card from top to bottom.
Uriah Hall leads the list of several UFC Fight Night 59 fighters that could be on the sidelines for the next six months.
Following Conor McGregor’s dominant win over Dennis Siver in Boston on Sunday, fighters took to Twitter to react to the Irishman earning a title shot.
UFC featherweight contender Conor McGregor comments on his UFC Fight Night 59 win over Dennis Siver and predicts that he'll knock out champion Jose Aldo
Check out the video replay of the UFC Fight Night: McGregor vs. Siver post-fight press conference, which took place following Sunday's event at the TD
UFC Fight Night 59: McGregor vs. Siver full live results from Boston.
Watch the UFC Fight Night: McGregor vs. Siver post-fight press conference streaming live from the TD Garden in Boston shortly following the event.
On episode 5 of UFC Embedded, Donald Cerrone and Benson Henderson share an entertaining faceoff at media day, then it's off to weigh-ins!
On episode 4 of UFC Embedded, headlining featherweight Dennis Siver reflects on his career journey to facing Conor McGregor.
Watch the 24 fighters competing on the UFC Fight Night: McGregor vs. Siver fight card officially weigh-in from Boston's Orpheum Theatre.
Conor McGregor, Dennis Siver, and the rest of the UFC Fight Night 59 fighters stepped on the scale Saturday afternoon in Boston.
Watch the official weigh-in for UFC Fight Night: McGregor vs. Siver streaming live from Boston on Saturday at 4 p.m. ET.
During the Conor McGregor UFC Fight Night 59 pre-fight scrum, the popular featherweight discussed his weight, Jose Aldo, Dennis Siver smack talk, and much more.
The main event and co-main event fighters faced off during Friday's UFC Fight Night 59 media day in Boston.
On episode 3 of UFC Fight Night Boston: Embedded, main event star Dennis Siver does media and breaks down the animosity between him and his
UFC featherweight contender Conor McGregor takes a look at his division and explains why he's different and how Dennis Siver doesn't have what it takes
Dennis Siver admits he has felt disrespected by Conor McGregor when talking to media at the UFC Fight Night 59 workouts.