Gallery Gunnar Nelson def. Alex Oliveira at UFC 231: Best photos view 7 images Gunnar Nelson ’s victory over Alex Oliveira was not for the squeamish. That’s because, thanks to a couple well placed elbows by Nelson (17-3-1 MMA, 8-3 UFC), Oliveira (19-6-1 MMA, 9-4 UFC) was split open wide late in the second round, which only made him more vulnerable to the rear-naked choke that soon followed, forcing the tap at the 4:17 mark of Round 2.
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