Sherdog’s Official Mixed Martial Arts Rankings Calvin Kattar’s misfortune was Arnold Allen’s gain.

UFC Fight Night 213 ‘Kattar vs. Allen’ Play-by-Play, Results & Round Scoring Sherdog's live UFC Fight Night 213 coverage will begin Saturday at 4 p.m. ET.

Prime Picks: UFC Fight Night 213 ‘Kattar vs. Allen’ Sherdog’s Jay Pettry foresees a lengthy main event and breaks down a couple of former Legacy Fighting Alliance champions aiming for their...

5 Defining Moments: Arnold Allen The Tristar Gym product will lock horns with Calvin Kattar in the UFC Fight Night 213 main event.

Sherdog’s Official Mixed Martial Arts Rankings Sean O'Malley delivered on his considerable potential — albeit in controversial fashion.

Sherdog’s Official Mixed Martial Arts Rankings Alexa Grasso is making noise in the women’s flyweight division.

5 Defining Moments: Josh Emmett The 37-year-old Phoenix native currently finds himself on a five-fight winning streak and near the front of the line of contenders that has formed behind current Ultimate Fighting Championship featherweight titleholder...

Sherdog’s Official Mixed Martial Arts Rankings Xiaonan Yan got back on track Saturday, though it remains to be seen if she did enough to inch toward a strawweight title shot.

Sherdog’s Official Mixed Martial Arts Rankings Seika Izawa and Si Woo Park have a date with destiny.

Sherdog’s Official Mixed Martial Arts Rankings Cory Sandhagen is a sniper.