In the Octagon, you can win by knockout, decision or submission. In honor of the Ultimate Fighting Championship's 20th anniversary, watch the top 20
In celebration of the Ultimate Fighting Championships 20th anniversary, we look back at the top 20 knockouts in UFC history.
UFC middleweight champion Anderson Silva is widely considered the greatest mixed martial artist of all time, but he believes BJ Penn is the best.
Take a look back at Frankie Edgar's shocking upset of BJ Penn to win the lightweight belt at UFC 112.
Former two-division UFC champion BJ Penn is contemplating a return to fighting in the lightweight division.
Forrest Griffin has been on the sidelines since late 2012. So why retire now? Because UFC president Dana White finally convinced him that it was
UFC president Dana White wants to see BJ Penn retire. "BJ Penn absorbs every amount of punishment you can give him... He's taken a lot
UFC welterweight champion Georges St-Pierre isn't distracted by Nick Diaz' smack talk heading into their UFC 158: St-Pierre vs. Diaz title fight.
Take a deeper look back at UFC on Fox 5's Rory MacDonald vs. BJ Penn and Shogun Rua vs. Alexander Gustafsson with the Fuel
UFC president Dana White led the calls for BJ Penn to hang up the gloves for good following his recent loss to Rory MacDonald, but
Mauricio "Shogun" Rua and BJ Penn, despite losing their bouts, topped the list of UFC on Fox 5 fighter salaries from Saturday's event in Seattle.
Rory MacDonald is fighting for a few different reasons, but one of them isn't for the adoration of the fans.
It's not the way he wanted it to go, but Saturday night may have marked the last appearance for B.J. Penn inside the UFC Octagon.
Rory MacDonald served everyone notice that he has officially arrived with his one-sided win over BJ Penn, and then he immediately called out Carlos Condit
Check out the full UFC on Fox 5 weigh-in video as all the fighters step on the scale Friday in Seattle.
Check out the UFC on Fox 5 main fight competitors as they step on the scale Friday in Seattle.
The war of words between BJ Penn and Rory MacDonald heated up at the UFC on Fox 5 press conference on Thursday in Seattle.
Check out BJ Penn's interview with the media at Wednesday's UFC on Fox 5 open workouts in Seattle.
There seems to a be a line forming of fighters that want to welcome Nick Diaz back to the Octagon when he's eligible to return
For a great many years, whenever the discussion for best pound-for-pound fighter in MMA came up the conversation started and stopped at B.J. Penn.
B.J. Penn won't put himself in Georges St-Pierre's shoes when it comes to accepting a fight against Anderson Silva, but he says everybody knows what
On Tuesday, five of the main card fighters from UFC on Fox 5 as well as UFC President Dana White and Fox Sports executive Eric
Rory MacDonald knew he was in for a serious fight the moment he etched his name on a contract opposite former welterweight champion B.J. Penn.
Rory MacDonald won't fight his friend and teammate Georges St-Pierre but after Carlos Condit "beat the (expletive)" out of him, that's the fight he wants
BJ Penn's motivation has been questioned in the past, but with several past and current champions in his UFC on Fox 5 camp, there should
Rory MacDonald is participating in additional drug testing ahead of his fight against BJ Penn at UFC on Fox 5, and admits it can be
Check out the UFC's official breakdown of the UFC on Fox 5 main card slated for Dec. 8 in Seattle.
UFC on Fox 5 ends the UFC's efforts on Fox with a star-studded fight card, packing three prominent bouts, including a title fight, onto the
While it's not a done deal yet, signs are starting to point towards a UFC on Fox 5 slot for the welterweight showdown between B.J.
UFC president Dana White drops the bomb on unsuspecting reports: Rory MacDonald is out of the BJ Penn fight at UFC 152.