Preview: UFC Fight Night ‘Pettis vs. Moreno’ Fast-rising flyweight contenders Sergio Pettis and Brandon Moreno collide on Saturday, as the Ultimate Fighting Championship returns to Mexico City.

Sherdog’s Official Mixed Martial Arts Rankings Whether he keeps his nose clean and reigns as a pound-for-pound king remains to be seen, but for now, Jon Jones is back and he is the top light...

The Hit List: Undefeated Fighters in the UFC Joanna Jedrzejczyk will risk more than her women’s strawweight championship when she faces Jessica Andrade at UFC 211 on May 13.

This Month’s MMA Birthdays: Chael Sonnen Turns 40 The “Gangster of West Linn” spent much of his career as a hired gun but emerged as a top middleweight in the UFC in 2009. He will celebrate...

The Hit List: Undefeated Fighters in the UFC Of the 648 fighters the Ultimate Fighting Championship has on its roster, only 28 -- 4.3 percent -- are undefeated and have posted at least one...

Sherdog’s Official Mixed Martial Arts Rankings With recent months in the Ultimate Fighting Championship offering so many shake-ups in the official Sherdog.com rankings, this update is different in a way, with many stars reaffirming their status in unique...

Sherdog’s Official Mixed Martial Arts Rankings It used to be a big deal when these rankings were updated to reveal a new fighter sitting atop his or her division. With all due respect to Tyron Woodley and his conquering the welterweight throne, his destruction of Robbie...

Preview: UFC on Fox 20 ‘Holm vs. Shevchenko’ Former women’s bantamweight champion Holly Holm tries to right her ship at the expense of Valentina Shevchenko on Saturday in Chicago.

Sherdog’s Official Mixed Martial Arts Rankings The lightweight division has a new king and the bantamweight division has a new queen. And oh yes, Brock Lesnar is back.

Sherdog’s Official Mixed Martial Arts Rankings When Stephen Thompson showed up in the UFC just over four years ago and lamped Dan Stittgen with a beautiful Brazilian kick to the dome, there...