Billy Evangelista remained undefeated on Friday in the main event of Strikeforce Challengers 4 in Fresno, California, earning a unanimous decision win over veteran Jorge Gurgel at the Showtime-televised card.

In other main card action, Shane Del Rosario, Luke Rockhold, Merrit Warren, and Thomas Diagne all earned victories.

Overshadowed by Saturday’s CBS-televised “Fedor vs. Rogers” event, Strikeforce tonight hosts Strikeforce Challengers 4: Evangelista vs. Gurgel in Fresno, California. The Showtime-televised card is headlined by undefeated lightweight Billy Evangelista vs. UFC veteran Jorge Gurgel.

Previously unbeaten hometown favorite Billy Evangelista lost by disputed, controversial second-round disqualification to Mike Aina Friday in the main event of the inaugural Strikeforce Challengers telecast on SHOWTIME. At the finish, neither fighter was satisfied with the outcome at the Save Mart Center.