Santos was originally scheduled to fight Tarec Saffiedine in the July 30th event, but it appears the company has had a change of heart.
The contest could have title implications now that Nick Diaz has vacated the Strikeforce welterweight belt to challenge UFC champ Georges St-Pierre for his hardware.
“Strikeforce: Fedor vs. Henderson” takes place inside the Sears Center in Hoffman Estates, Illinois.
Showtime will broadcast the main bouts at 10 PM ET/PT.
Here are the athletes rumored to participate in the star-studded card:
Paul Daley vs. Evangelista “Cyborg” Santos
Roger Gracie vs. Muhammed “King Mo” Lawal
Miesha Tate vs. Marloes Coenen (Women’s Welterweight Champion)
Fedor Emelianenko vs. Dan Henderson (Heavyweight Bout)