By: Tom Feely
Dustin Poirier will look to avenge a 2014 knockout loss to Conor McGregor when they meet for a second time this Saturday in the United Arab Emirates.

By: Jay Pettry
The Ultimate Fighting Championship on Saturday concludes its three-event tour on “Fight Island” with a major pay-per-offering featuring the biggest star in the sport.

By: Brian Knapp
Former two-division champion Conor McGregor will rematch Dustin Poirier in the main event on Saturday in the United Arab Emirates.

Conor McGregor and Dustin Poirier stood face-to-face Thursday at the UFC 257 press conference.

By: Ben Duffy and Keith Shillan
Keith and Ben break down all 12 fights from UFC 257, giving predictions, a couple of upset specials and a lock of the night.

By: Brian Knapp
When Michael Chiesa announced his plan to move to the Ultimate Fighting Championship’s welterweight division, he was greeted by widespread skepticism. Those skeptics have spent the past two years reconsidering their doubts.

By: Tristen Critchfield
Michael Chiesa went to the deep waters of the championship rounds for the first time in his UFC career, but it was Neil Magny who nearly drowned.

By: Ben Duffy and Keith Shillan
Keith and Ben recap the action from UFC on ESPN 20: Chiesa vs. Magny in this quick special edition. They break down the main event and talk about whose stock rose and whose stock fell.

By: Brian Knapp
Shinya Aoki will get back in the One Championship saddle for the first time in more than a year when he faces the unbeaten James Nakashima in the “Unbreakable” co-main event on Thursday at Singapore Indoor Stadium in Kallang, Singapore.

By: Tyler Treese
Warlley Alves put on a show against Mounir Lazzez.

By: Tyler Treese
Isaac Villanueva made a statement against Vinicius Moreira.

By: Tyler Treese
Omari Akhmedov opened the UFC on ESPN 20 main card in impressive fashion.

By: Tyler Treese
Ricky Simon proved to be too much for short-notice opponent Gaetano Pirrello.

By: Tyler Treese
Umar Nurmagomedov stayed perfect in his mixed martial arts career against Sergey Morozov.

By: Tyler Treese
Manon Fiorot kicked off UFC on ESPN 20 in a major way by finishing Victoria Leonardo.

By: Jay Pettry
Come join the Sherdog MMA Forum community early in the morning as we discuss the action and excitement of UFC on ESPN 20, headlined by a welterweight scrap between Michael Chiesa and Neil Magny, live at 9 a.m. ET/6 a.m. PT!

By: Todd Martin
Sherdog columnist Todd Martin examines six possibilities involving the possible return of the Ultimate Fighting Championship lightweight titleholder.

By: Eric Stinton
Punahele Soriano and Max Holloway lifted the dark cloud from what had been a house of horrors for the Ultimate Fighting Championship’s Hawaiian competitors, writes Eric Stinton.

After defeating Juan Archuleta and Pedro Carvalho in the Bellator MMA Featherweight Grand Prix, double champion Patricio Freire is patiently waiting for a date with Emmanuel Sanchez in the tournament semifinals.

By: Ben Duffy
On Wednesday, Michael Chiesa and Neil Magny will battle to scale the next rung of perhaps the toughest, most unforgiving divisional ladder in all of mixed martial arts.

Dan Hooker talks with the press Tuesday at UFC 257 Virtual Media Day.

Michael Chandler talks with the press Tuesday at UFC 257 Virtual Media Day.

Amanda Ribas talks with the press Tuesday at UFC 257 Virtual Media Day.

Marina Rodriguez talks with the press Tuesday at UFC 257 Virtual Media Day.