Quarter-finals-Pro Heavyweight Boxing: Billy Martin vs Tony Lopez Bout #2 of 7 Sparta Sports and Entertainment and Violent 1 present The King of Sparta Tournament: Heavyweight Series at SPARTA 74, on June 29, 2019 at the Jeff Co Fairgrounds Arena in Golden, CO. The King of Sparta 8-man Heavyweight Tournament is Sparta Sports and Entertainment's original single-elimination Boxing, Kickboxing, and MMA tournament. The tournament starts with the Quarter-Finals: 4 Pro Boxing Matches. Then the winners advance to Pro Kickboxing Semi-Finals, and the 2 finalists face off for a Pro MMA fight inside the cage, ALL IN ONE NIGHT! The winner is crowned The King of Sparta and will win $10,000 in cash! Visit www.SpartaSE.com for upcoming event details, tickets, merchandise, PPV, and more.