OLEKSANDR USYK has weighed in for his first professional contest at heavyweight. The former undisputed cruiserweight champion tipped the scales at 215lbs. His opponent for Saturday’s 12 round bout at the Wintrust Arena in Chicago, Chazz Witherspoon was far heavier at 242lbs.

The bill also features two world title fights. Dmitry Bivol will put his WBA light-heavyweight crown on the line against Lenin Castillo. The Russian champion weighed 174.3lbs, his challenger came in on the 175lbs limit.

Hometown fighter Jessica McCaskill takes on Argentina’s Erica Farias for the WBA and WBC super-lightweight world titles. McCaskill was 138.7lbs, Farias 138.1lbs.

“There are people that have been in the game that I am dethroning, I’m on a fast-track; I’ve won two world titles and fought for three in just nine fights,” McCaskilll says.

“I feel like I am the wildcard and people are watching to see what is going to happen next.”