Rivalries: Aljamain Sterling The incumbent Ultimate Fighting Championship bantamweight titleholder will rematch interim champion Petr Yan to unify the 135-pound crown in the UFC...

Rivalries: Gilbert Burns The Sanford MMA export will attempt to slow the unbeaten Khamzat Chimaev’s rise in the Ultimate Fighting Championship’s welterweight division when the two men collide in an anticipated...

Rivalries: Marcin Tybura The 36-year-old Polish grappler will attempt to improve upon his 9-6 record inside the Octagon when he collides with Jairzinho Rozenstruik as part of the...

Rivalries: Hector Lombard A fast-twitch judoka with devastating knockout power and the mean streak to match, the former Bellator MMA champion was one of the most feared...

Rivalries: Alex Perez The Team Oyama representative has compiled an impressive 6-2 record through eight appearances inside the Octagon—a run that includes victories against Eric Shelton, Jose Torres, Mark De La Rosa and...

Rivalries: Alexa Grasso The 28-year-old Lobo Gym export will collide with Joanne Wood in the UFC on ESPN 33 co-feature this Saturday in Columbus, Ohio.

Rivalries: Shamil Abdurakhimov The Dagestani heavyweight will do battle with Sergei Pavlovich on the UFC Fight Night 204 undercard this Saturday in London.

Rivalries: Gunnar Nelson The Icelandic standout will end an extended layoff when he meets Takashi Sato in a UFC Fight Night 204 welterweight showcase on Saturday in London.

Rivalries: Martin Nguyen No matter where the Australian’s journey leads him from here on out, he will always be a historical figure in One Championship.

Rivalries: John Salter The 36-year-old Brazilian jiu-jitsu black belt will face unbeaten American Top Team export Johnny Eblen in a Bellator 276 middleweight feature...

Rivalries: Colby Covington “Chaos” will attempt to rebound from his latest setback when he collides with American Top Team’s Jorge Masvidal in the UFC 272 main event.

Rivalries: David Branch The former two-division World Series of Fighting titleholder agreed to terms with One Championship in January and will look snap out of a...

Rivalries: Sinead Kavanagh “KO” will do battle with fellow Top 5 Bellator MMA women’s featherweight contender Leah McCourt in the Bellator 275 co-main event.

Rivalries: Misha Cirkunov The Xtreme Couture export will try to snap a two-fight losing streak when he confronts Wellington Turman in the UFC Fight Night 202 co-main event.

Rivalries: Neiman Gracie The 33-year-old Brazilian jiu-jitsu black belt will take his second turn as a marquee attraction in Bellator MMA when he meets Sanford MMA’s Logan Storley in the...

Rivalries: Renato Carneiro “Moicano” will seek his third win in four appearances when he takes on Factory X export Alexander Hernandez as part of the UFC 271 undercard...

Rivalries: Jared Cannonier “The Killa Gorilla” will take aim at Derek Brunson in a featured UFC 271 attraction on Saturday in Houston.

Rivalries: Hakeem Dawodu The Champion’s Creed MMA export finds himself on the rebound ahead of his UFC Fight Night 200 prelim opposite former Ring of Combat champion...

Rivalries: Jack Hermansson The Frontline Academy star will try to hold serve in the Ultimate Fighting Championship middleweight division when he locks horns with former King of the Cage titleholder Sean Strickland in the...

Rivalries: Sean Strickland “Tarzan” will do battle with Jack Hermansson in the UFC Fight Night 200 headliner on Saturday in Las Vegas.

Rivalries: Darrion Caldwell The former Bellator MMA bantamweight champion will look to snap a two-fight losing streak when he charges into battle against “The Ultimate Fighter Latin America” Season 2 winner Enrique Barzola in the featured...

Rivalries: Jarred Brooks “The Monkey God” will meet with significant resistance when he confronts surging Japanese prospect Koha Minowa in a three-round showcase at One...

Rivalries: Cody Stamann The Michigan Top Team representative will attempt to improve upon his 5-3-1 record inside the Octagon when he takes on Said Nurmagomedov in a UFC...

Rivalries: Court McGee “The Ultimate Fighter” Season 11 winner will confront Ramiz Brahimaj in a UFC on ESPN 32 welterweight prelim on Saturday in Las Vegas.

Rivalries: Katlyn Chookagian The 33-year-old will square off with former Invicta Fighting Championships titleholder Jennifer Maia when they rematch one another in the UFC on...