Career
In stage 17 of the 1982 Vuelta a España, while leading the race, Arroyo was tested positive for Methylphenidate, and got a 10 minutes time penalty. This effectively stripped him of victory and put him back in 13th place.
In stage 17 of the 1982 Vuelta a España, while leading the race, Arroyo was tested positive for Methylphenidate, and got a 10 minutes time penalty. This effectively stripped him of victory and put him back in 13th place.