Valtellina is preparing to host the Tour de Suisse's Grande Partenza, kicking off on June 17th with a double stage: the women's morning stage and the men's afternoon stage. The lineup is impressive and highly qualified, starting with Slovenians Tadej Pogačar (four Tour de Frances, one Giro d'Italia) and Primož Roglič (four Vuelta España, one Giro d'Italia), Britain's Tom Pidcock (two Olympic gold medals), and Dutchman Mathieu van der Poel (eight Monument Classics and one world title). Other prestigious confirmations include Tokyo Olympic champion Richard Carapaz, Portugal's Afonso Eulálio (eight days in…