WSOF 31 main card finalized with three new matchups

The main card for June 17's WSOF 31 event in Mashantucket, Conn., is complete.
According to a press release issued via the organization Tuesday, John Howard (23-12) will face Thiago Meller (20-7) in a welterweight bout, Chris Barnett (14-2) will take on Justin Willis (4-1) at heavyweight, and Luis Palomino (24-12) will battle Sheymon Moraes (8-1) at featherweight.
Howard makes his WSOF debut after being released by the UFC following a knockout defeat to Tim Means at UFC Fight Night 80. The match