"Bellator Halsey vs. Grove" gets a Silva lining for May 15 with Silva vs. Caldwell added to main card (PRESS RELEASE) -- SANTA MONICA, California – A four-fight Spike-broadcast main card for May's "Bellator MMA: Halsey vs. Grove" has received another thrilling contest, as undefeated bantamweight prospect Darrion Caldwell (6-0) takes on ...

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