SportsLine's model has nailed 25 first-round upsets by double-digit seeds and revealed its optimal NCAA Tournament bracket 2026 No. 4 seed Arkansas enters the 2026 NCAA Tournament bracket as one of the hottest teams in college basketball after winning the SEC Tournament. The Razorbacks are led by SEC Tournament MVP Darius Acuff Jr., who helped his team average the third-most ... [3638 chars]