FORTALEZA, Brazil – A last-minute issue has forced the cancellation of a planned UFC on FUEL TV 10 matchup between Derek Brunson (10-2 MMA, 1-0 UFC) and Ronny Markes (14-1 MMA, 3-0 UFC). MMAjunkie.com (www.mmajunkie.com) today confirmed with sources close to the fighter that Markes was today ruled out of the matchup. Additional sources said the the 25-year-old Brazilian was on Friday morning involved in an automobile accident. While Markes is said to not have been seriously injured, the incident will prevent the fighter from competing. According to Tatame.com’s Guilherme Cruz , Markes was a passenger in the vehicle and hurt his “neck, head and ribs” when a car driven by manager and trainer Andre Pederneiras was involved in the crash.