Mairbek Taisumov defeated Gleison Tibau by split decision under grappling rules at the ACBJJ 21 tournament.
Mairbek Taisumov claimed a split-decision victory over Gleison Tibau under grappling rules at ACBJJ 21 on July 5, 2026, in a contest that tested both fighters outside their most recognized strengths.
Taisumov, known by the nickname Beckan, carries a professional record of 27-6-0 and competes out of Russia under Team Taisumov. The 37-year-old stands five-foot-nine with a 73-inch reach and has built his reputation primarily as a striker, landing nearly three significant strikes per minute at an accuracy rate of 39 percent across his career. He averages just 1.34 takedowns per 15 minutes and has recorded no submission attempts in that span, making a grappling-rules format a genuine test of his ground game.
Tibau, the 42-year-old Brazilian veteran affiliated with American Top Team, brings a wealth of experience to any competition. His 33-14-0 record reflects a lengthy career, and his grappling credentials are well established, with 4.08 takedowns per 15 minutes. He stands five-foot-ten with a 71-inch reach and has historically shown a willingness to seek finishes on the ground, averaging 0.8 submission attempts per 15 minutes.
Why it matters
- The split decision signals a closely contested match, with neither fighter dominating under grappling rules.
- For Taisumov, the win demonstrates competitive versatility beyond his striking-based MMA career.
- Tibau, despite his deep grappling background, was unable to secure the nod from all judges, underlining that his best years in submission-oriented competition may be behind him at 42.
- The result adds a notable cross-discipline entry to both fighters' resumes ahead of any future MMA activity.
