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Karlos Vemola (8-2) is dropping another weight class and moves from light heavyweight to middleweight and now meets Mike Massenzio (13-6) in May at UFC on FOX 3.

Vemola, a Czech national wrestling champion who now trains in England, made his UFC debut in 2010 and suffered a decision loss to heavyweight Jon Madsen. He then dropped to light heavyweight and defeated Seth Petruzelli in a "KO of the Night" performance. However, back in August at suffered a UFC on Versus 5, he suffered a lopsided decision loss to Ronny Markes.

He hopes his third weight class will be a good fit when he meets Massenzio, who fights in his home state at the FOX event. The New Jersey-based fighter went 1-2 in his first UFC stint, and he's 1-2 in his most recent one. Back in August at UFC 142, he suffered a quick heel-hook loss to Rousimar Palhares.   Massenzio is now 3-5 in his past eight fights, which included a stint in the IFL.

UFC on FOX 3 takes place May 5 at IZOD Center in East Rutherford, N.J.