Club set £18.7m release clause for Arsenal targetMexico teenager Gilberto Mora is drawing interest from Arsenal and Liverpool, but he’s not going to come cheap, according to reports.Photo by Luke Hales/Getty ImagesMexican outlet El Universal reports that the Club Tijuana hierarchy know it’s only a matter of time before Gilberto Mora leaves their club for Europe, and they’ve set a buyout clause at around $25m (£18.7m).El Universal at that some clubs, including Arsena