A world champion with and without the gi, Gilbert Burns has a very high wall to climb this Saturday, at Polaris 4. Durinho will be in the co-main event facing no other than Garry Tonon. For the past few years, Burns has dedicated himself mostly to his MMA career, but in 2013 he jumped in the Worlds No-Gi and made all the way in the middleweight division. In the semifinal, he beat the likes of Leandro Lo. get ready for Polaris 4 by watching this classic from three years ago.