Luis Largo
Luis Alberto Quintero Largo (born April 14, 1990 in Chíquiza) is a Colombian cyclist. Doping ban. Largo tested positive for 19-norandrosterone and noretiocholanolone in an out-of-competition control 22 January 2014 and was subsequently handed a two-year ban from sport. He had just arrived in Europe to ride as a neo-pro for pro continental team Colombia at the time of the test, and he lost his contract with the team because of the anti-doping rule violation.