Japanese snowboarder Yuto Totsuka grabbed his first win of the season at the men's halfpipe World Cup in California on Friday, while compatriot Ruka Hirano placed third.Totsuka scored 97.20 at Mammoth Mountain Resort to secure his fourth World Cup victory, eight points clear of Taylor Gold of the United States. Hirano rounded out the podium with 87.80.Japan's Kaishu Hirano, the younger brother of double Olympic silver medalist Ayumu Hirano, finished just inside the top-10 in ninth.In the women's event won by China's Cai Xuetong, Kurumi Imai landed sixth for Japan's best finish.Haruna Matsum…READ FULL ARTICLE