On May 15, 2013, WSOF announced a 4 man tournament to crown an Inaugural Middleweight Champion that will take place at WSOF 5. The participants announced are as followed: Jesse Taylor, Elvis Mutapcic, David Branch & Danillo Villefort
Andrei Arlovski
Mike Kyle
Dave Branch
Danillo Villefort
Derrick Mehmen
Rolles Gracie
Georgi Karakhanyan
Waylon Lowe
Rick Glenn
Artur Rofi
Jimmie Rivera
Sidemar Honorio
Richard Patishnock
Gregor Gracie
Ozzy Dugulubgov
Andrew Osbrone
Neiman Gracie
Darren Costa