SEMINOLE – While Seminole bull riders Andrew Alvidrez (PBR, Professional Bull Rider) and J.W. Nunn (MBR, Miniature Bull Rider) were riding high in Las Vegas last week, five-year-old E.J. Olivas was preparing for his first time on the big stage.A kindergartner at F.J. Young Elementary, E.J. will compete in the International Miniature Bull Riding Association’s World Finals in Reno, Nevada Nov. 10-13.A native of Gaines County and the son of Jasmine and Edgar Olivas, E.J. is only one of two mini bull riders with Smith’s Mini Buckers of Odessa who qualified for the IMBA’s upcoming competition.Since he was three, E.J.