World Series of Fighting (WSOF) 31 is headlined by a heavyweight bout matching champion Blagoy Ivanov against Josh Copeland. Ivanov captured the heavyweight title with a submission win over Smealinho Rama at WSOF 21 in June 2015.
The co-main event of WSOF 31 features Jason High taking on Mike Ricci to become the number one lightweight contender.
WSOF 31 takes place on June 17 from the Foxwoods Resort Casino in Mashantucket, Connecticut. The main event will be televised live on NBCSN at 9:00pm ET. The preliminary card will stream live on wsof.com.