The Spike TV main card for Bellator 137 is now complete, as bantamweights Darrion Caldwell and Rafael Silva will kick things off.

Set for May 15 from the Pechanga Resort and Casino in Temecula, California, the night features a middleweight championship match between Brandon Halsey and Kendall Grove.

Also, Eduardo Dantas meets Mike Richman and Fernando Gonzalez battles Curtis Millander.

Along with the addition of Silva-Caldwell, the prelims will see A.J. Matthews take on unbeaten Ben Reiter and Steve Kozola battle Ian Butler.

Below is the current lineup:

MAIN CARD (Spike TV/9 p.m. ET)

Bellator Middleweight Championship
Brandon Halsey (c) vs. Kendall Grove

Bantamweight: Eduardo Dantas vs. Mike Richman

Welterweight: Fernando Gonzalez vs. Curtis Millender

Bantamweight: Darrion Caldwell vs. Rafael Silva


Middleweight: A.J. Matthews vs. Ben Reiter

Light Heavyweight: Virgil Zwicker vs. Razak Al-Hassan

Bantamweight: Joe Taimanglo vs. Antonio Duarte

Featherweight: Jordan Parsons vs. Julio Caesar Neves, Jr.

Welterweight: Jesse Juarez vs. Ricky Rainey

PRELIMINARY CARD (After main card)

Lightweight: Steve Kozola vs. Ian Butler