This is the UFC 142 live blog for Erick Silva vs. Carlo Prater, a welterweight bout on tonight's UFC pay-per-view from the HSBC Arena in Rio de Janeiro, Brazil.

Silva (13-1) won his UFC debut with a knockout in 40 seconds over Luis Ramos at the last UFC in Brazil, UFC 134. Prater (29-10-1), a well-traveled fighter, makes his UFC debut riding a four-fight win streak.

The live blog is below.

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Mario Yamasaki is the referee of this contest between two Brazilians.

Round 1: The two trade feints and it's Silva who steps through with a right hand that misses and a knee to the body that drops Prater. Silva finishes with hammerfists and the fight is stopped.

-- However, Silva is disqualified for illegal punches to the head.

Official Result: Prater wins via DQ - Round 1, 0:29

The replay shows most of the punches connected legally on the side of the head. Joe Rogan interviews/interrogates Yamasaki and Yamasaki explains he made a judgement call at the moment. Tough call all around.

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