Frenchman Victor Lafay of Cofidis won stage eight of the Giro d'Italia on Saturday as Hungarian Attila Valter of Groupama-FDJ kept hold of the overall race lead. The chief contenders for the 21-stage race, Egan Bernal and Remco Evenepoel, finished together on the eve of a major mountain-top finish Sunday when a shake up is expected. jm/dmc/lp