Tallison Teixeira, an undefeated heavyweight prospect with an 8-0 record, faces veteran Derrick Lewis (28-12) in the main event of UFC Nashville on July 12, 2025. Teixeira has finished all his opponents in the first round, showcasing his striking prowess. Lewis, known for his knockout power, holds the record for the most knockouts in UFC history. This market resolves to 'Yes' if Teixeira wins by any method (KO/TKO, submission, or decision) and 'No' if Lewis wins or the fight ends in a draw. (espn.com)