ONE 159 is just around the corner and is shaping up to be one of the best cards ONE Championship has put out this year.The card will feature one of the most dominant world champions ONE has ever produced, double-champ Reinier de Ridder, in the main event. The 12-fight card is stacked with blockbuster bouts in kickboxing, Muay Thai, and MMA. View this post on Instagram Instagram PostIn a headlining bout, de Ridder will be defending one of his belts, the middleweight world title, against former champ Vitaly Bigdash.After wiping the floor with ONE welterweight world champion Kiamrian Abbasov last February and going the distance against grappling legend Andre Galvao at ONE X, de Ridder is not stopping.Against former ONE world champion Vitaly Bigdash, 'The Dutch Knight' will have a new set of challenges as his Russian challenger is a more natural middleweight compared to Abbasov. Bigdash also has legendary toughness and will not be easy to dominate no matter where the fight goes.Aside from the exciting main event, ONE 159 offers up fights that can keep you on the edge of your seat from start to finish. Today, we list down three intriguing bouts that you shouldn't miss come July 22.#3. ONE 159 lead card lightweight MMA bout - Ariel Sexton vs. Marat GafurovIf you're a fan of frenetic and exciting grappling in an MMA fight, this bout between former ONE featherweight world champion Marat 'Cobra' Gafurov and Ariel Sexton will surely be a treat.The two submission masters have 22 submissions between them and have awed fans with their frightening brand of MMA grappling. View this post on Instagram Instagram PostFormer ONE world champion Gafurov is everything that's scary about any fighter hailing from the grizzled Republic of Dagestan. His unstoppable wrestling, unshakable top pressure, frightening ground-and-pound, and debilitating submission holds are the stuff of legend.As for Sexton, 'Tarzan' is known for his world-class BJJ black belt skills, often pulling some crazy submissions on the fly. He owned one of the most inventive and mind-blowing submissions in ONE Championship history when he pulled off this crazy reverse triangle/ keylock on Kota Shimoishi: View this post on Instagram Instagram PostWatch out for these two to put on a show at ONE 159 and show everyone what MMA grappling at the highest level looks like.