Conor McGregor earned his third straight UFC win and second by knockout after he downed Diego Brandao in the opening round at Fight Night Dublin in 2014. McGregor will go up against Nate Diaz in the main event of UFC 196 on Mar. 5.

Paddy "The Hooligan" Holohan made his UFC debut in grand fashion when he sunk in a tight rear-naked choke against Josh Sampo. Go back and watch how he did it and don't miss the Holohan in action again at Fight Night Dublin vs. Louis Smolka.

A prodigy of Brazilian Jiu-Jitsu, Gunnar Nelson uses his skilled ground game against Zak Cummings by sinking in a rear naked choke in the second round to earn a submission victory. Nelson takes on Brandon Thatch at UFC 189 in Las Vegas.

"The Notorious" Conor McGregor lands a heavy left hand to the face of Diego Brandao, earning himself a knockout victory in the first round. McGregor aims to keep his title hopes alive as he takes on Dennis Siver in the main event at Fight Night Boston.

Hard-hitting light heavyweight Ilir Latifi gives Chris Dempsey a warm welcome into the UFC by knocking Dempsey out in the first round. Watch Latifi battle Jan Blachowicz on the main card at UFC Fight Night Stockholm.

UFC president Dana White meets with the media following Fight Night Dublin: McGregor vs. Brandao.

Hear the roar of the Dublin crowd as Conor McGregor finishes Diego Brandao and celebrates with his fans!

On the third episode of UFC On The Fly, Fight Week has arrived. Conor McGregor takes a trip to the tailors to choose his suit for the main event, takes a seat on the Ireland AM sofa with Cathal Pendred and checks into the fighter hotel with Gunnar Nelson.

"His mom never slapped him in the face when he was a kid, that's why he's like that. So I am going to be his dad Saturday night," says Fight Night Dublin headliner Diego Brandao. See if Brandao can backup his big talk Saturday night on UFC FIGHT PASS!

UFC correspondent Caroline Pearce catches up with headliner Conor McGregor in his hometown of Dublin. Notorious CMG discusses his upcoming fight against Diego Brandao, how it feels to fight in front of fans and family and his road to super-stardom.

On the 2nd episode of UFC's On The Fly, Gunnar Nelson arrives in Dublin to make his final preparations before taking on Zak Cummings at Fight Night Dublin on Saturday. From pad work to hanging out with partners, Gunni gets in-depth with the OTF crew.

As a former bantamweight contender, Brad "One Punch" Pickett landed a hard right uppercut to knockout Yves Jabouin in the first round.

On the 1st episode of UFC’s On The Fly, Conor McGregor makes his final preparations before Fight Night Dublin on Saturday. Tune in for this intimate look into Conor’s world, his training techniques, and his dedication to reaching the top of his division.

Go behind-the-scenes with Conor McGregor as he prepares for his battle with Diego Brandao at Fight Night Dublin on July 19th.

Watch the fight club Q&A with Forrest Griffin, Cub Swanson, Luke Barnatt, Jimi Manuwa, and Eddie Gordon, hosted by Andy Frielandher, live Friday, July 18 at 12pm/9am ETPT.

The stars of UFC Fight Night: McGregor vs Brandao gather to answers question from the media days before the event.

Conor McGregor backs up all of his pre-Octagon debut hype with this blistering finish of Marcus Brimage at UFC on FUEL 9 in Stockholm.

The UFC returns to Dublin, Ireland after five years with an action packed card featuring, Conor McGregor and Diego Brandao.

MMA H.E.A.T.'s Karyn Bryant caught up with UFC Featherweight Conor McGregor backstage at UFC Tonight, and heard what he had to say about his just-announced fight with Cole Miller.