The UFC has added a number of new weight classes and titles over the years, which has helped some big stars shine. Each weight class has specific weight limits, and champions in each division are ...

Size matters in the UFC to make sure fights are fair and competitive. The right weight class can make or break ... Heavyweights deliver the most devastating knockouts. Their fights often end ...

it's hard to look past 170 pounds as the promotion's best. One area that puts the welterweight division above most of the UFC's other weight classes is the fact that the fighters at 170 pounds ...

He supercharged that rise with a dominant thrashing of Michael Chandler, making him a top contender ... for-pound MMA rankings and a list of current UFC champions in all weight classes.

Ilia Topuria urges the UFC to address extreme weight cutting, suggesting fighters move up if they exceed the 10% body weight limit.

McGregor beat Jose Aldo, an all-time great, with a record-setting 13-second knockout at UFC 194 to become the Undisputed UFC ...

Cejudo became the fourth UFC fighter to hold titles in two different weight classes (Flyweight and Bantamweight) simultaneously and the second to defend titles in two other weight divisions.

Joe Rogan believes now is finally the right time for the UFC to add more weight classes into the mix. After knocking out Alexander Volkanovski at UFC 298 to become the new featherweight champion ...

Fighters often experiment with dropping to lower weight classes in ... to put forth his best effort against Bellato, a formidable opponent with one win and one draw in the UFC.