The UFC Fight Night event in Rio de Janeiro, Brazil on March 21 now has a new co-main event, as Josh Thomson has been forced from his bout against Gilbert Burns due to injury.
Stepping into the co-main slot on the card headlined by the welterweight bout between Demian Maia and Ryan LaFlare is another 170-pound showdown pitting Erick Silva against Ben Saunders.
Highly-touted lightweight prospect Burns will remain on the main card, as he faces Octagon newcomer Alex Oliveira.
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