Derrick Lewis' knockout streak remained intact at Fight Night Zagreb. Lewis knocked out Gabriel Gonzaga in Round 1 for his third straight win by KO. He's knocked out his opponent in all six of his UFC victories.

Watch as Derrick Lewis and Gabriel Gonzaga talk about why they will come out victorious in their heavyweight clash on April 10 at Fight Night Zagreb.

Top heavyweight contender Alistair Overeem joins host John Gooden and Dan Hardy to break down the co-main event in Zagreb between Derrick Lewis and Gabriel Gonzaga.

UFC heavyweight veteran Gabriel Gonzaga earned his first submission victory in the UFC dating all the way back to 2006 at UFC 66. On April 10 Gonzaga takes on Derrick Lewis at Fight Night Zagreb live on FS1.

Watch the official weigh-in for UFC Fight Night: Gonzaga vs. Cro Cop 2.

UFC commentator Joe Rogan takes you through the top 10 headkick knockouts of UFC history, including Gabriel Gonzaga's historic right head kick KO vs. Mirko Cro Cop.

UFC commentator Joe Rogan breaks down the matchup between Gabriel Gonzaga and Mirko Crop Cop at Fight Night Krakow on April 11.

No. 14 heavyweight contender Gabriel Gonzaga fakes a kick and lands a huge superman punch to Kevin Jordan, stunning him and ending the night in the third round. Gonzaga takes on Mirko Cro Cop in the main event at UFC Fight Night Krakow.

UFC Minute Lisa Foiles recaps the fight announcements from this weekend, including an international expansion into Poland with PRIDE legend Mirko Cro Cop.

All eight main card fighters set to compete at Fight Night Phoenix spoke to UFC correspondent Megan Olivi as part of the Ultimate Media Day. Junior Dos Santos, Stipe Miocic, and more talked about their matchups.

UFC correspondent Megan Olivi provides an in-depth look at the UFC on FOX 10 main card.

PRIDE legend Mirko Cro Cop was supposed to smoke Gabriel Gonzaga in this UFC 70 gimme. As cold-blooded Cro Cop sized up a body kick, Gonzaga threw a stunning head kick of his own for one of the most surprising knockouts in UFC history.