Tonight at UFC 158 in Montreal, UFC welterweight champion Georges St. Pierre defended his title against bitter rival and former Strikeforce champ Nick Diaz.

There's also the fact that Nick Diaz recently asked for the fight to be bumped from welterweight to middleweight. Is Diaz struggling with weight issues? Possibly.

Anderson Silva vs. Nick Diaz was far from the best fight ever, but it did leave MMA with one of the most iconic moments in the sport. Back in 2015, the UFC booked what many deemed a super fight ...

Nick Diaz vs. Georges St. Pierre at UFC 137 is one of the biggest fights left this year in a lot of fans minds. The meeting of the Strikeforce welterweight champ and the UFC welterweight champion ...

And there's also another high-profile fight on the main card: Nick Diaz vs. Robbie Lawler, a rematch of a bout from 17 years ago. It's also Diaz's first fight in over six years.

Sports How to watch Nick Diaz vs. Robbie Lawler live stream on ESPN Plus: UFC 266 fight card, start time, PPV cost Published: Sep. 25, 2021, 4:25 p.m.

Georges St-Pierre is usually one of the most calm and kind hearted fighters in MMA . But when Nick Diaz challenged the welterweight champ following his UFC 137 victory over BJ Penn , St-Pierre was ...

What are the odds for Nick Diaz vs. Robbie Lawler II? Nick Diaz enters the fight as a +100 underdog to defeat Robbie Lawler (-134) at UFC 266, according to our partner PointsBet. UFC 266 main card ...