mexico city first man modern mexican history win gubernatorial election independent say wednesday aim run 2018 presidential election put pressure lead anti-establishment contender andres manuel lopez obrador jaime rodriguez rupture political status quo capture wealthy northern state nuevo leon landslide 2015 break president enrique pena nieto institutional revolutionary party pri rodriguez add fragment landscape contenders lead twice presidential runner-up lopez obrador former mexico city mayor spend years pitch solution ongoing political corruption chronic inequality want give try want show people tire political party politicians rodriguez 59 tell mexican broadcaster radio formula know el bronco due blunt style rodriguez trail far behind lopez obrador early opinion poll however entry race could eat away anti-establishment support lopez obrador leftist nationalist lean turn could help pri avid horseman say plan register saturday four months gather 866,593 signatures one percent electorate least 17 regions mexico qualify independent ahead july 2018 vote voter survey show presidential hopefuls struggle win back much one third electorate june pri able exploit divisions win tight gubernatorial race state mexico country populous region barely third vote lead pri officials say privately party hop take advantage fragmentation eke victory 2018. however still unclear party candidate pena nieto bar law seek re-election crowd pool anti-systemic candidates senator armando rios piter independent former member center-left party democratic revolution prd also register run presidency wednesday prd lead lopez obrador turn back find new leftist movement 2014 frequently accuse former ally lackeys pri prd meanwhile decide forge broad front main center-right opposition party national action party pan defeat pri officials party say could back independent candidate lead bid tell ten independents far register accord national electoral institute ine three contenders fail meet initial requirements ine say lopez obrador attack rodriguez independent credentials describe tool pri help fuel increasingly bitter rivalry two accord lopez obrador good guy country rodriguez tell radio formula devil rest country saint maverick state governor take aim mexican presidency