A collection of UFC knockouts, all coming from devastating knees -- some of the most effective strikes inside the Octagon; featuring Marlon Moraes, Jeremy Stephens, Carlos Condit, Ricardo Lamas, Jose Aldo and Anderson Silva.

A look at some surprising knockouts from the UFC.

A look at the Ultimate Fighter coaches.

Looking back at the best knockouts from the past year.

Athletic alumni of the Strikeforce promotion ply their trade in the UFC Octagon and the Strikeforce hexagon. With Ronda Rousey, Robbie Lawler, Daniel Cormier, Cris Cyborg, Alistair Overeem and more.

Knockouts that define the career of UFC fighters inside the Octagon.

MMA greats deliver strikes that send their opponents face-first into the canvas.

Featuring some of the sport's most surprising and memorable knockouts. With Junior Dos Santos, The Korean Zombie, Ronda Rousey, Jeremy Stephens, Darren Elkins, Nikita Krylov and more.

In the Octagon, even the smaller fighters pack some big striking power. See a collection of UFC knockouts, all coming from the lighter weight classes. Featuring Cody Garbrandt, Paige VanZant, John Lineker, Yair Rodriguez, and Ronda Rousey.

The greatest finishers from the heavyweight division including Cain Velasquez, Minotauro Nogueira, Junior dos Santos, Andrei Arlovski and more.

A collection of devastating finishes from athletes in the UFC's heavyweight and light heavyweight divisions. Featuring Daniel Cormier, Shogun Rua, Alexander Volkov, Anthony Johnson, Jimi Manuwa and more.

Great fight finishes from the sport's best knockout artists. Featuring Anderson Silva, Vitor Belfort, Anthony "Rumble" Johnson, Andrei Arlovski, Roy Nelson and more.

The best knockouts from 2015, an action-packed year inside the Octagon. Featuring Ronda Rousey, Stephen "Wonderboy" Thompson, Dan Henderson, Holly Holm, Uriah Hall and more.

Conor McGregor, Michael Bisping, Alexander Gustafsson, Lyoto Machida, Yoel Romero, Joanna Jedrzejczyk and more.

Featuring Carlos Condit, Lyoto Machida, Rafael Dos Anjos, Donald Cerrone and more.

Fight finishes from the flyweight, bantamweight, featherweight and lightweight divisions, including the best from superstars such as Ronda Rousey, Conor McGregor, Jose Also, Donald Cerrone and more.

We bring you exciting finishes from the top-tier fighters who first made their names on The Ultimate Fighter reality show, including Rashad Evans, Diego Sanchez, Roy Nelson, Nate Diaz, and TJ Dillashaw.

Fastest finishes in MMA history -- knockouts that took 60 seconds or less. With Johny Hendricks, BJ Penn, The Korean Zombie and more.

Featuring the best knockouts from 2014.

Fights that end via perfectly thrown counterpunches. Featuring Conor McGregor, Stipe Miocic, Chuck Liddell, Shogun Rua and more.

A look at some of the sport's most surprising and memorable knockouts; with Junior Dos Santos, The Korean Zombie, Ronda Rousey, Jeremy Stephens, Darren Elkins, Nikita Krylov and more.

"UFC Unleashed" features the greatest moments from the Ultimate Fighting Championship's vast library of mixed martial arts footage, including matchups that were previously exclusive to pay-per-view audiences. As opposed to simple highlights, "Unleashed" treats fans to bouts in their entirety, from the opening bell to the knockout, tap out or decision, and some episodes consist of a "best of" compilation featuring one UFC star.

One of the biggest advantages for MMA fans resulting from UFC's programming shift to Fox in 2011 is the mixture of content -- both events and series -- produced for Fox-owned Fuel TV. Some of the best comes in the form of the three-hour, mano-a-mano extravaganza "UFC Reloaded," a re-air of the biggest and most memorable UFC pay-per-view events in history. Of course, the fight results are history, too, but seeing the battles for the first time (or once again) is usually worth the wait, and it's free! The series also features footage that was never shown on the original PPV broadcast.

The latest news, scores, highlights and analysis surrounding the leading storylines from around the NBA.

Airing a half-hour or so prior to most NHL games on the NBC Sports Network, "NHL Live" presents the latest news from the National Hockey League and previews the game (or games) airing on the network that night. It also features highlights, exclusive interviews, special features and occasional live look-ins at contests already in progress. Liam McHugh hosts "NHL Live," joined by analysts Mike Milbury and Keith Jones (and occasionally Jeremy Roenick). Guest analysts including Mike Keenan and Eddie Olczyk lend their expertise as well.

Golf Channel's flagship news program, the nightly "Golf Central" presents highlights from the major golf tours and world events, plus reports and features from tournament sites.

Exploring the athletic history of the Southeastern Conference, from the athletes and coaches to defining games and moments.